Microsoft Security News
SecurityFocus Microsoft Newsletter #143 Jun 30 2003 04:22PM
jboletta securityfocus com


SecurityFocus Microsoft Newsletter #143

---------------------------------------

This Issue is Sponsored by: Tenable

Tenable Network Security offers a Vulnerability Management Product.

"Lightning 1.1 is a next-generation security software solution that

thoughtfully combines relevant security data from vulnerability scans and

intrusion detection devices to help enterprises reduce network exposure.

Its design is definitely unique and highly scalable when compared to

others in our industry," says Ron Gula, President and CTO of Tenable.

Please visit: http://www.securityfocus.com/TenableSecurity-ms-secnews

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I. FRONT AND CENTER

1. IDS Correlation of VA Data and IDS Alerts

2. RFID Chips Are Here

3. The SecurityFocus 4th Anniversary Contest

II. MICROSOFT VULNERABILITY SUMMARY

1. Tutos File_Select.PHP Cross-Site Scripting Vulnerability

2. Power Server FTP Addon Remote USER/PASS Command Denial of...

3. phpBB Viewtopic.PHP SQL Injection Vulnerability

4. Power Server Remote GET Request Denial of Service Vulnerability

5. Power Server FTP Addon Plaintext Password Storage Weakness

6. Power Server FTP Addon Failure To Authenticate Vulnerability

7. MyServer Remote Denial Of Service Vulnerability

8. Tutos File_New Arbitrary File Upload Vulnerability

9. SurfControl Web Filter File Disclosure Vulnerability

10. Compaq Web-Based Management Agent Remote Stack Overflow Denia...

11. Compaq Web-Based Management Agent Access Violation Denial of...

12. Microsoft Internet Explorer HR Align Buffer Overflow...

13. Zope Invalid Query Information Disclosure Vulnerability

14. WebJeff Filemanager File Disclosure Vulnerability

15. WebJeff Filemanager Plain Text Password Storage Vulnerability

16. Zope Empty Upload Information DisclosureVulnerability

17. Power Server FTP Addon Directory Traversal Vulnerability

18. Zope addItems Script Information Disclosure Vulnerability

19. Armida Databased Web Server Remote GET Request Denial Of...

20. Compaq Web-Based Management Agent Remote File Verification...

21. Zope ExampledbBrowseReport Description Field HMTL Injection...

22. Microsoft Media Player 9 Unauthorized Media Library Access...

23. IndigoSTAR Software PerlEdit Denial Of Service Vulnerability

24. Compaq Web-Based Management Agent Multiple Remote Vulnerabilities

25. Microsoft Windows Media Services NSIISlog.DLL Remote Buffer...

III. MICROSOFT FOCUS LIST SUMMARY

1. How to block users from installing other apps (Thread)

2. SP4 instalation failure (Thread)

3. Xp Home (Thread)

4. security auditing under windows 2000 server (Thread)

5. Windows NLB (Thread)

6. AW: Question about windows service (Thread)

7. Question about windows service (Thread)

8. Please read. Post containing BugBear.B (Thread)

9. Search for files and folders fails (Thread)

10. additional Windows 2000 password policy questions (Thread)

11. Windows 2000 password policy (Thread)

12. Managing Windows Event Logs (Thread)

13. Filtering DHCP Assignments by MAC Address (Thread)

14. Microsoft Baseline Security Analyzer (Thread)

15. SecurityFocus Microsoft Newsletter #142 (Thread)

16. adding new service to system services list (Thread)

17. Netreg for Windows (Thread)

18. Windows Event Logs (Thread)

IV. NEW PRODUCTS FOR MICROSOFT PLATFORMS

1. AbsoluteShield Internet Eraser Pro

2. Akonix L7 Enterprise

3. Online Recorder 5.3

V. NEW TOOLS FOR MICROSOFT PLATFORMS

1. Securepoint Firewall and VPN Server v3.13 (S3)

2. Enigmail v0.80.0

3. beecrypt v3.0.0

VI. SPONSOR INFORMATION

I. FRONT AND CENTER

-------------------

1. IDS Correlation of VA Data and IDS Alerts

By Neil Desai

This article discusses the correlation of VA data and IDS alerts to help

prioritize events and reduce the time it takes to sift through events.

http://wwwdev.securityfocus.com/infocus/1708

2. RFID Chips Are Here

By Scott Granneman

RFID chips are being embedded in everything from jeans to paper money, and

your privacy is at stake.

http://www.securityfocus.com/columnists/169

3. The SecurityFocus 4th Anniversary Contest

Enter to win two passes to the Black Hat Briefings.

Please visit the contest page here:

http://www.securityfocus.com/contest

II. BUGTRAQ SUMMARY

-------------------

1. Tutos File_Select.PHP Cross-Site Scripting Vulnerability

BugTraq ID: 8011

Remote: Yes

Date Published: Jun 20 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8011

Summary:

Tutos is a freely available, open source team organization software

package. It is available for the Unix, Linux, and Microsoft Windows

platforms.

A problem in the software may make the execution of arbitrary code

possible.

It has been reported that Tutos does not properly handle input to the

file_select script. Because of this, an attacker may be able to execute

code in the browser of another user with the privileges of the vulnerable

site.

The problem is in the rendering of arbitrary HTML and script code by

Tutos. An attacker may supply code as an argument to the file_select

script that, when loaded in the browser of another user, is executed in

the security context of the site hosting Tutos. This could permit the

theft of cookie authentication credentials, Other attacks may also be

possible.

2. Power Server FTP Addon Remote USER/PASS Command Denial of Service

Vulnerability

BugTraq ID: 7976

Remote: Yes

Date Published: Jun 19 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7976

Summary:

Power Server is an open source web server available for the Microsoft

Windows operating system. Power Server supports various addon programs

designed to extend the functionality of the server, such as the FTP Addon.

Power Server FTP Addon is reportedly prone to a remote denial of service

when process malformed USER and PASS commands. The problem occurs when

processing command parameters containing approximately 50,000 characters.

Exploitation of this vulnerability would result in a target system's CPU

usage rising to approximately 88 to 95 percent. This could result in other

services becoming unusable or potentially cause the system to behave

unpredictably.

Although unconfirmed, the affected server may be required to be manually

rebooted to restore expected functionality.

3. phpBB Viewtopic.PHP SQL Injection Vulnerability

BugTraq ID: 7979

Remote: Yes

Date Published: Jun 19 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7979

Summary:

phpBB is an open-source web forum application that is written in PHP and

supported by a number of database products. It will run on most Unix and

Linux variants, as well as Microsoft Windows operating systems.

A SQL injection vulnerability has been reported for phpBB systems that may

result in the disclosure of user password hashes; other attacks may also

be possible.

phpBB, in some cases, does not sufficiently sanitize user-supplied input,

which is used when constructing SQL queries to execute on the underlying

database. As a result, it is possible to manipulate SQL queries. This may

allow a remote attacker to modify query logic or potentially corrupt the

database.

This vulnerability was reported to exist in the viewtopic.php script file.

A remote attacker can exploit this vulnerability by manipulating the

$topic_id URI parameter to modify SQL query logic.

SQL injection attacks may also potentially be used to exploit latent

vulnerabilities in the underlying database implementation.

4. Power Server Remote GET Request Denial of Service Vulnerability

BugTraq ID: 7983

Remote: Yes

Date Published: Jun 19 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7983

Summary:

Power Server is an open source web server available for the Microsoft

Windows operating system.

Power Server is reportedly prone to a remote denial of service when

process malformed GET requests. The problem occurs when processing

requests containing approximately 500,000 forward-slash '/' characters.

Exploitation of this vulnerability would result in a target system's CPU

usage rising to approximately 88 to 95 percent. This could result in other

services becoming unusable or potentially cause the system to behave

unpredictably.

Although unconfirmed, the affected server may be required to be manually

rebooted to restore expected functionality.

5. Power Server FTP Addon Plaintext Password Storage Weakness

BugTraq ID: 7984

Remote: No

Date Published: Jun 19 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7984

Summary:

Power Server is an open source web server available for the Microsoft

Windows operating system. Power Server supports various addon programs

designed to extend the functionality of the server, such as the FTP Addon.

Power Server FTP Addon stores usernames and associated passwords using

plaintext format, in the 'FTPUsers' directory. As a result, these

credentials could be exposed to other local users who have the permissions

to access and read that file.

It should be noted that although this issue has been reported to affect

Power Server 1.0, other versions are likely to be affected.

6. Power Server FTP Addon Failure To Authenticate Vulnerability

BugTraq ID: 7986

Remote: Yes

Date Published: Jun 19 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7986

Summary:

Power Server is an open source web server available for the Microsoft

Windows operating system. Power Server supports various addon programs

designed to extend the functionality of the server, such as the FTP Addon.

A vulnerability has been reported in Power Server FTP Addon that could

allow an attacker to gain unauthorized access. Specifically, Power Server

will accept an arbitrary password when a valid username has been supplied.

Although unconfirmed, this may be as a result of a design error while

carrying out string matching of legitimate passwords.

This will effectively grant an unauthorized attacker access to a target

FTP server.

7. MyServer Remote Denial Of Service Vulnerability

BugTraq ID: 8010

Remote: Yes

Date Published: Jun 23 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8010

Summary:

MyServer is an application and web server for Microsoft Windows and Linux

operating systems.

MyServer HTTP server has been reported prone to a remote denial of service

attack.

The issue presents itself, likely due to a lack of sufficient bounds

checking, performed on arguments that are supplied via malicious HTTP GET

requests. It has been reported that a remote attacker may invoke a HTTP

GET request containing 100 '/' characters, this action will supposedly

trigger a segmentation fault in the server executable and the software

will fail. It has been reported that no details of this attack are logged.

Due to the nature of this vulnerability it has been conjectured that this

issue may be exploited to execute arbitrary code. This however has not

been confirmed.

It should be noted that although this issue has been reported to affect

MyServer version 0.4.1 other versions might also be affected.

8. Tutos File_New Arbitrary File Upload Vulnerability

BugTraq ID: 8012

Remote: Yes

Date Published: Jun 20 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8012

Summary:

Tutos is a freely available, open source team organization software

package. It is available for the Unix, Linux, and Microsoft Windows

platforms.

A problem in the software may make the uploading of arbitrary files

possible.

It has been reported that Tutos does not properly handle input to the

file_new script. Because of this, an attacker may be able to upload

arbitrary files to a vulnerable site.

It is not clear where the specific vulnerable component of Tutos lies.

However, because of the problem, it may be possible for an attacker to

upload and overwrite files with the privileges of the web server process.

This could result in data corruption, or other potentially malicious

activities.

9. SurfControl Web Filter File Disclosure Vulnerability

BugTraq ID: 7978

Remote: Yes

Date Published: Jun 19 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7978

Summary:

SurfControl is a series of products designed to filter out harmful or

questionable Internet content. Web Filter is available as a plugin for

Microsoft ISA Server.

A problem with Web Filter may allow attackers to obtain access to

sensitive files. The vulnerability occurs due to insufficent sanitization

of '.../' directory traversal sequences.

A determined attacker is able to obtain access to files on the host server

with the privileges of the web server process.

This vulnerability was reported for Web Filter 4.2.0.1. It is likely that

earlier versions are affected.

10. Compaq Web-Based Management Agent Remote Stack Overflow Denial of

Service Vulnerability

BugTraq ID: 8014

Remote: Yes

Date Published: Jun 23 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8014

Summary:

Web-Based Management Agent is the remote system management software

package distributed by Compaq. It is available for the Microsoft Windows

platform.

Compaq Web-Based Management Agent has been reported prone to a remote

denial of service vulnerability. The problem occurs when making malformed

requests to the service. Specifically, requests which contain an

exclamation mark within angle brackets (<!>), optionally followed by an

argument.

The following requests are reported to trigger the exception:

http://www.example.com:2301/survey/<!>

http://www.example.com:2301/<!.StringRedirecturl>

http://www.example.com:2301/<!.StringHttpRequest=Url>

http://www.example.com:2301/survey/<!.StringHttpRequest=Url>

http://www.example.com:2301/<!.ObjectIsapiECB>

http://www.example.com:2301/<!.StringIsapiECB=lpszPathInfo>

The root of this problem may be due to the agent failing to handle

unexpected or unsupported protocol behavior, such as these requests. This

however has not been confirmed.

The returned error from such a request reports that a stack overflow

occurred, however it has not been confirmed whether this issue is

exploitable to corrupt memory. The problem may in fact be the result of a

NULL pointer dereference.

It should be noted that this BID was previously part of BID 8009, which

addressed multiple issues.

11. Compaq Web-Based Management Agent Access Violation Denial of Service

Vulnerability

BugTraq ID: 8015

Remote: Yes

Date Published: Jun 23 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8015

Summary:

Web-Based Management Agent is the remote system management software

package distributed by Compaq. It is available for the Microsoft Windows

platform.

Compaq Web-Based Management Agent has been reported prone to a remote

denial of service vulnerability. The problem occurs when handling

malformed GET requests to the service. Specifically, requests which

contain "<!.FunctionContentType=" followed by approximately 250 bytes of

data and appended with a ">".

The returned error from such a request reports that an access violation.

The problem likely occurs due to the program attempting to write to an

invalid memory page, causing the service to crash.

It should be noted that this BID was previously part of BID 8009, which

addressed multiple issues.

12. Microsoft Internet Explorer HR Align Buffer Overflow Vulnerability

BugTraq ID: 8016

Remote: Yes

Date Published: Jun 23 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8016

Summary:

Internet Explorer is reportedly prone to a boundary condition error.

This problem exists due to insufficient bounds checking on the 'Align'

attribute of the 'HR' (horizontal rule) HTML tag.

If the 'Align' attribute is given an unusually large value, a buffer

within the iexplore process will be overrun, causing Internet Explorer to

fail. It may also be possible to cause arbitrary code to be executed,

though this has not been confirmed. The overflow occurs in 'HTML32.cnv',

which is an HTML converter used by Internet Explorer.

This vulnerability was reported for Internet Explorer version 5 and above.

Earlier versions may also be vulnerable.

13. Zope Invalid Query Information Disclosure Vulnerability

BugTraq ID: 8000

Remote: Yes

Date Published: Jun 20 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8000

Summary:

Zope is an open source web application server, maintained by the Zope

Project. Zope is available for Linux, Unix, and Microsoft Windows based

systems.

Reportedly, Zope will disclose path information if a user invokes an

invalid query operation using Shopping cart example scripts. An error will

be triggered and traceback information containing possible sensitive path

information will be returned to the browser of the attacker.

If an attacker can gain information about the details of the filesystem,

this information may be useful in further attacks against the host.

14. WebJeff Filemanager File Disclosure Vulnerability

BugTraq ID: 7995

Remote: Yes

Date Published: Jun 20 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7995

Summary:

WebJeff Filemanager is a file management system implemented in PHP. It is

available for a variety of platforms including Microsoft Windows and Linux

and Unix variant operating environments.

A vulnerability has been reported for Filemanager that may result in the

disclosure of arbitrary files. The vulnerability exists due to

insufficient sanitization of user-supplied values for URI parameters.

Specifically, the 'ficher' URI parameter of the index.php3 script file is

not properly sanitized.

A malicious attacker can specify arbitrary absolute paths as the value of

the 'ficher' URI parameter. This will result in the requested file being

disclosed to the attacker.

This vulnerability affects Filemanager 1.6.

15. WebJeff Filemanager Plain Text Password Storage Vulnerability

BugTraq ID: 7996

Remote: Yes

Date Published: Jun 20 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7996

Summary:

WebJeff Filemanager is a file management system implemented in PHP. It is

available for a variety of platforms including Microsoft Windows and Linux

and Unix variant operating environments.

A vulnerability has been reported for Filemanager that may result in an

attacker obtaining authentication credentials. The vulnerability exists

due to the way usernames and passwords are stored. Specifically,

authentication credentials are stored in plain text format in the

'prive/users.txt' file.

An attacker can exploit this vulnerability by making a request for the

desired resource.

Any information obtained in this manner may be used to launch further

attacks against a vulnerable system.

This vulnerability was reported for Filemanager 1.6.

16. Zope Empty Upload Information DisclosureVulnerability

BugTraq ID: 7998

Remote: Yes

Date Published: Jun 20 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7998

Summary:

Zope is an open source web application server, maintained by the Zope

Project. Zope is available for Linux, Unix, and Microsoft Windows based

systems.

Reportedly, Zope will disclose path information if a user invokes an

upload operation via the 'addFile' script when a target file does not

exist as a URI parameter. An error will be triggered and traceback

information containing possible sensitive path information will be

returned to the browser of the attacker.

If an attacker can gain information about the details of the filesystem,

this information may be useful in further attacks against the host.

17. Power Server FTP Addon Directory Traversal Vulnerability

BugTraq ID: 7985

Remote: Yes

Date Published: Jun 19 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7985

Summary:

Power Server is an open source web server available for the Microsoft

Windows operating system. Power Server supports various addon programs

designed to extend the functionality of the server, such as the FTP Addon.

A problem with the server may make it possible to gain unauthorized access

to system resources.

It has been reported that Power Server FTP Addon does not properly handle

some types of requests. This may make it possible for a remote user to

gain access to resources outside of the FTP root directory.

Access to this information could potentially aid an attacker in launching

further attacks against the target system or it's users.

18. Zope addItems Script Information Disclosure Vulnerability

BugTraq ID: 7999

Remote: Yes

Date Published: Jun 20 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/7999

Summary:

Zope is an open source web application server, maintained by the Zope

Project. Zope is available for Linux, Unix, and Microsoft Windows based

systems.

A vulnerability has been discovered in Zope which may result in the

disclosure of sensitive information to a remote attacker. The problem

occurs when a value greater then 11 is passed as the records URI parameter

to the addItems script. When this occurs, an exception will be triggered

causing the server to return an error page containing sensitive system

information.

Information disclosed may include session identification, the script

installation paths, the application installation path, etc.

Access to this information could potentially aid an attacker in launching

further attacks against the system.

19. Armida Databased Web Server Remote GET Request Denial Of Service

Vulnerability

BugTraq ID: 8017

Remote: Yes

Date Published: Jun 23 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8017

Summary:

Armida Databased Web Server is a web server available for the Microsoft

Windows operating systems.

Armida Databased Web Server is reportedly prone to a remote denial of

service when process malicious GET requests. The problem occurs when

processing requests containing approximately 5000 bytes of data.

Exploitation of this vulnerability would result in the remote service

crashing. Although unconfirmed, due to the nature of this vulnerability

it may be possible to supply and execute arbitrary code.

This vulnerability has been reported to affect Armida Web Server version

1.0.

20. Compaq Web-Based Management Agent Remote File Verification

Vulnerability

BugTraq ID: 8019

Remote: Yes

Date Published: Jun 23 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8019

Summary:

Web-Based Management Agent is the remote system management software

package distributed by Compaq. It is available for the Microsoft Windows

platform.

Compaq Web-Based Management Agent has been reported vulnerable to a remote

file verification vulnerability. This information leak could be exploited

by an attacker to verify the existence of sensitive files on a vulnerable

system.

The problem is in the handling of input when passed via the following

means:

http://www.example.com:2301/<!.DebugSearchPaths>?Url=%2F..%2F..%2F..%2F.
.%

2Fboot.ini

As can be ascertained from the above URL, passing directory traversal

strings in the dot-dot-slash form (../) with encoded slashes can permit

the attacker to access a file on the vulnerable system. If the file

exists, the Web-Based Management Agent returns a response that validates

the existence of the file.

It should be noted that this BID was previously part of BID 8009, which

addressed multiple issues.

21. Zope ExampledbBrowseReport Description Field HMTL Injection

Vulnerability

BugTraq ID: 8001

Remote: Yes

Date Published: Jun 20 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8001

Summary:

Zope is an open source web application server, maintained by the Zope

Project. Zope is available for Linux, Unix, and Microsoft Windows based

systems.

It has been reported that Zope ExampledbBrowseReport example script

suffers from an HTML injection vulnerability. The problem is said to occur

due to insufficient input validation of user-supplied form data.

Specifically, it is possible to embed HTML code within the 'Description'

field of the Zope ExampledbBrowseReport example script.

All script code will be interpreted by the browsers of other Zope users,

who view the affected page, within the context of the site hosting the

affected script.

The successful exploitation of this issue could ultimately result in the

attacker obtaining cookie-based authentication credentials or other

sensitive information, which, could be used to impersonate the other user.

22. Microsoft Media Player 9 Unauthorized Media Library Access

Vulnerability

BugTraq ID: 8034

Remote: Yes

Date Published: Jun 25 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8034

Summary:

Windows Media Player 9 Series is prone to an issue that may result in an

attacker obtaining unauthorized access to a compromised user's media

library.

Windows Media Player 9 uses an ActiveX control to control access to a

user's Media Library. The ActiveX control is a scriptable component and

can be invoked through the use of script code. The vulnerability exists

due to insufficent validation of requests made to the ActiveX control to

access the Media Library.

An attacker can exploit this vulnerability by enticing a victim user to

visit a site that hosts malicious script code to invoke the Media Player

ActiveX control. Successful exploitation will result in the attacker

obtaining access to a user's Media Library.

Information obtained in this manner may be used by an attacker to launch

other attacks against a vulnerable system, such as modifying contents of

Media Library entries.

23. IndigoSTAR Software PerlEdit Denial Of Service Vulnerability

BugTraq ID: 8006

Remote: Yes

Date Published: Jun 21 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8006

Summary:

PerlEdit is a IDE (Integrated Development Environment) for developing Perl

scripts. It is maintained and distributed by IndigoSTAR Software. It is

available for Linux variant and Microsoft Windows operating systems.

A denial of service vulnerability has been reported for PerlEdit. The

vulnerability exists when an connection is made to TCP port 1956.

When PerlEdit is executed, it will bind to TCP port 1956. If an attempt is

made to connect to that port while PerlEdit is running, it will cause

PerlEdit to crash.

An attacker can exploit this vulnerability to connect to a vulnerable host

on port 1956. This will cause the vulnerable PerlEdit application to

crash.

This vulnerability was reported to affect PerlEdit 1.07.

24. Compaq Web-Based Management Agent Multiple Remote Vulnerabilities

BugTraq ID: 8009

Remote: Yes

Date Published: Jun 23 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8009

Summary:

Web-Based Management Agent is the remote system management software

package distributed by Compaq. It is available for the Microsoft Windows

platform.

It may be possible for a remote attacker to gain unauthorized access to a

host using the vulnerable software.

The Compaq Web-Based Management Agent may permit an attacker to create one

of the following scenarios:

Numerous stack overflows are reported to exist in the management agent.

By passing one of several combinations of tags to the web server for

server-side command interpreting, it is possible for an attacker to crash

the agent, resulting in a denial of service. It is not clear whether or

not these issues may be exploited to execute code with the privileges of

the web server process.

Another reported issue appears to be a boundary condition error that may

be exploitable. By supplying a request with a length of at least 250

bytes to the FunctionContentType function, it is possible to cause an

"Access violation," which may be a memory corruption issue.

A final reported issue is the ability of a remote user to validate files

on a system. By passing a maliciously crafted request to the

DebugSearchPaths function, an attacker may be able to validate the

existence of certain files on the system, potentially resulting in

information disclosure.

This vulnerability alert is a preliminary analysis. These vulnerabilities

will be broken into specific entries as more detailed analysis is

performed.

25. Microsoft Windows Media Services NSIISlog.DLL Remote Buffer Overflow

Vulnerability

BugTraq ID: 8035

Remote: Yes

Date Published: Jun 25 2003 12:00AM

Relevant URL:

http://www.securityfocus.com/bid/8035

Summary:

Microsoft Media Services provides functionality for providing streaming

media content to clients from IIS. It ships with a number of Microsoft

Windows 2000 server releases and is also available for download for

Windows NT.

Microsoft has reported a buffer overflow vulnerability in Windows Media

Services. This is due to a problem with how the logging ISAPI extension

(nsiislog.dll) handles incoming client requests. The logging facility may

attempt to write excessive data to an undersized buffer when handling a

malformed HTTP client request. This could trigger a denial of service or

remote arbitrary code execution in IIS, which is exploitable through Media

Services. The issue would occur in servers that are configured to provide

logging of media requests.

It is possible to exploit this issue by sending an overly long HTTP POST

request to the vulnerable component. This may permit a remote attacker to

corrupt sensitive stack variables with attacker-supplied values, allowing

the attacker to control process execution flow and execute malicious

instructions. Any attacker-supplied code will be executed in the security

context of the underlying IIS server.

It has been reported that Windows Media Services is not installed by

default on Windows 2000.

It should be noted that this vulnerability is similar to the issue

described in BID 7727. This issue was reported independently from BID 7727

and was not addressed in the vendor fixes associated with that BID.

III. MICROSOFT FOCUS LIST SUMMARY

---------------------------------

1. How to block users from installing other apps (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326971

2. SP4 instalation failure (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326977

3. Xp Home (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326976

4. security auditing under windows 2000 server (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326899

5. Windows NLB (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326900

6. AW: Question about windows service (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326898

7. Question about windows service (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326890

8. Please read. Post containing BugBear.B (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326715

9. Search for files and folders fails (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326671

10. additional Windows 2000 password policy questions (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326673

11. Windows 2000 password policy (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326524

12. Managing Windows Event Logs (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326522

13. Filtering DHCP Assignments by MAC Address (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326479

14. Microsoft Baseline Security Analyzer (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326418

15. SecurityFocus Microsoft Newsletter #142 (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326385

16. adding new service to system services list (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326386

17. Netreg for Windows (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326294

18. Windows Event Logs (Thread)

Relevant URL:

http://www.securityfocus.com/archive/88/326289

IV. NEW PRODUCTS FOR MICROSOFT PLATFORMS

----------------------------------------

1. AbsoluteShield Internet Eraser Pro

by SysShield Consulting, Inc

Platforms: Windows 2000, Windows 95/98, Windows NT, Windows XP

Relevant URL:

http://www.internet-track-eraser.com/

Summary:

AbsoluteShield Internet Eraser protects your privacy by cleaning up all

the tracks of your Internet and computer activities. The tool is

integrated with IE and it can erase the browser cache, history, cookies,

typed URLs, autocomplete list and so on in one click. You can also set the

tool to automatically erase those tracks when you quit IE or quit Windows.

The tool is also featured to erase the disk free space and has the open

plugin support. With the plugin support, AbsoluteShield Internet Eraser

now supports to erase the tracks left by any applications. We currently

offer more than 20 plugins which supports the most popular programs such

as MS Office, WinZip, UltraEdit, RealPlayer, Media Player... Beside the

ability to erase the tracks of your Internet and computer activities, the

tool also has an integrated, small, configurable and intelligent Ad window

and popup blocker.

2. Akonix L7 Enterprise v2.0

by Akonix Systems, Inc.

Platforms: Windows 2000, Windows 95/98, Windows NT, Windows XP

Relevant URL:

http://www.akonix.com/products/l7.asp

Summary:

Akonix L7 Enterprise v2.0 allows organizations to secure their networks

from the threats of unmanaged Public Instant Messaging, while continuing

to gain its benefits. Akonix L7 Enterprise v2.0 addresses critical

business drivers such as Security, Control and Management, Compliance and

Liability, and Reporting.

3. Online Recorder 5.3

by Spy Software Solutions

Platforms: Windows 2000, Windows 95/98, Windows NT, Windows XP

Relevant URL:

http://www.spysoftware.net/onlinerecorder/

Summary:

Are you worried about what your spouse or children are doing on the

Internet? Do they hide windows when you look over their shoulder? If you

want to know exactly what they're typing and where they're going, this

program is for you. The Online Recorder secretly runs under windows when

your computer starts up and extracts text from Internet applications. It

also records every keystroke on your computer without slowing it down or

changing it's performance. Complete satisfaction is guaranteed.

V. NEW TOOLS FOR MICROSOFT PLATFORMS

-------------------------------------

1. Securepoint Firewall and VPN Server v3.13 (S3)

by Lutz Hausmann

Relevant URL:

http://www.securepoint.cc/

Platforms: Linux, Windows 2000, Windows 95/98, Windows NT

Summary:

Securepoint Firewall and VPN Server is a high-performance application

designed to offer full protection for network assets. The Security Manager

offers a graphical user interface with many features, different

configurations, and advanced reporting functions. The Securepoint server

is a complete firewall and VPN software system with an operating system

based on a secure Linux. VPN operation supports PPTP and IPSec (X.509

certificates, preshared, RSA signature). You can use the firewall on a

standard PC with 2 to 16 network cards (including Ethernet, ADSL, ISDN).

It is very easy to install and administer. The Securepoint Security

Manager is available in English, German, and Spanish, and works in online

and offline mode.

2. Enigmail v0.80.0

by Patrick

Relevant URL:

http://enigmail.mozdev.org/thunderbird.html

Platforms: Linux, MacOS, POSIX, UNIX, Windows 2000, Windows 3.x, Windows

95/98, Windows CE, Windows NT, Windows XP

Summary:

Enigmail is a "plugin" for the mail client of Mozilla and Netscape 7.x

which allows users to access the authentication and encryption features

provided by the popular GnuPG software. Enigmail can encrypt/sign mail

when sending, and can decrypt/authenticate received mail. It can also

import/export public keys. Enigmail supports both the inline PGP format

and the PGP/MIME format, which can be used to encrypt attachments.

Enigmail is cross-platform, although binaries are supplied only for a

limited number of platforms. Enigmail uses inter-process communication to

execute GPG to carry out encryption/authentication.

3. beecrypt v3.0.0

by Bob Deblier, bob.deblier (at) pandora (dot) be [email concealed]

Relevant URL:

http://sourceforge.net/projects/beecrypt/

Platforms: Linux, Solaris, UNIX, Windows 2000, Windows 95/98, Windows NT

Summary:

BeeCrypt is an ongoing project to provide strong and fast cryptography in

the form of a toolkit usable by commercial and open source projects.

Included in the library are entropy sources, random generators, block

ciphers, hash functions, message authentication codes, multiprecision

integer routines, and public key primitives.

VI. SPONSOR INFORMATION

-----------------------

This Issue is Sponsored by: Tenable

Tenable Network Security offers a Vulnerability Management Product.

"Lightning 1.1 is a next-generation security software solution that

thoughtfully combines relevant security data from vulnerability scans and

intrusion detection devices to help enterprises reduce network exposure.

Its design is definitely unique and highly scalable when compared to

others in our industry," says Ron Gula, President and CTO of Tenable.

Please visit: http://www.securityfocus.com/TenableSecurity-ms-secnews

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