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iDefense Security Advisory 09.20.07: CA ARCserve Backup for Laptops and Desktops Authentication Bypass Vulnerability
Sep 21 2007 10:04PM
iDefense Labs (labs-no-reply idefense com)
CA ARCserve Backup for Laptops and Desktops Authentication Bypass
iDefense Security Advisory 09.20.07
Sep 20, 2007
ARCServe Backup for Laptops and Desktops is a version of ARCServe Backup
targeted at small to medium sized businesses, with many mobile/remote
users. It provides client agents that detect network connectivity and
commit backup data when it is found. For more information, consult the
product home page at the following URL.
Remote exploitation of an authentication bypass vulnerability in
Computer Associates Inc.'s ARCServe Backup for Laptops and Desktops
allows attackers to execute arbitrary code with SYSTEM privileges.
This vulnerability specifically exists since the command handlers that
service network requests do not check to see if the peer is
Exploitation of this vulnerability allows an attacker to execute all
commands granted to the server administrator. An attacker can add and
delete users and entire organizations, and initiate restore operations
for clients that connect to the server.
Using this vulnerability, an attacker is able to upload arbitrary files
to the server. This results in the execution of arbitrary code with
iDefense has confirmed the existence of this vulnerability in ARCServe
Backup for Laptops and Desktops version R11.1 Build 900. Other versions
may also be affected.
iDefense is currently unaware of any workarounds for this issue.
VI. VENDOR RESPONSE
Computer Associates has addressed this vulnerability with an update. For
more information consult CA's security notice at the following URL.
VII. CVE INFORMATION
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2007-5006 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
VIII. DISCLOSURE TIMELINE
03/06/2007 Initial vendor notification
03/06/2007 Initial vendor response
09/20/2007 Coordinated public disclosure
The discoverer of this vulnerability wishes to remain anonymous.
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X. LEGAL NOTICES
Copyright © 2007 iDefense, Inc.
Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDefense. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically,
please e-mail customerservice (at) idefense (dot) com [email concealed] for permission.
Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct,
indirect, or consequential loss or damage arising from use of, or
reliance on, this information.
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