Oracle audit issue with XMLDB ftp service Oct 17 2007 12:07PM
NGSSoftware Insight Security Research (nisr ngssoftware com)
NGSSoftware Insight Security Research Advisory

Name: Oracle audit issue with XMLDB ftp service
Systems Affected: Oracle Oracle 9ir2, 10g Release 1
Severity: High
Vendor URL: http://www.oracle.com/
Author: David Litchfield [ davidl (at) ngssoftware (dot) com [email concealed] ]
Reported: 9th March 2006
Date of Public Advisory: 17th October 2007
Advisory number: #NISR17102007E

Description
***********
The Oracle XML DB ftp service contains problems with auditing logins.

Details
*******
When a user attempts to log in via the XDB ftp service the audit trail shows
an incorrect entry for USERID. This can present two subtle problems.
Firstly, if a user logs in as "SYSTEM" the USERID column only shows "SYSTE"
- only 5 characters. The second problem is that if the same user then
attempts to log in a user "FOO", "FOOTE" is logged in the USERID column -
the "TE" coming from the "TE" of "SYSTE[M]" - the previous login. This only
happens on the same connected TCP circuit; as such all audit entries have
the same SESSIONID.

Fix Information
***************
Oracle was alerted to this flaw on the 9th of March 2006. A patch has now
been made available:

http://www.oracle.com/technology/deploy/security/critical-patch-updates/
cpuo
ct2007.html

NGSSQuirreL for Oracle, an advanced vulnerability assessment scanner
designed specifically for Oracle, can be used to accurately determine
whether your servers is vulnerable to this flaw. More information about
NGSSQuirreL for Oracle can be found here:

http://www.ngssoftware.com/products/database-security/ngs-squirrel-oracl
e.ph
p

About NGSSoftware
*****************
NGSSoftware develops vulnerability assessment and compliancy tools for
database servers including Oracle, Microsoft SQL Server, DB2, Sybase and
Informix. Headquartered in the United Kingdom NGS has offices in London,
St. Andrews (UK), Brisbane, and Perth (Australia) and seattle in the United
States; NGSConsulting provide services to some of the largest and most
demanding organizations around the globe.
http://www.ngssoftware.com/
Telephone +44 208 401 0070
Fax +44 208 401 0076
enquiries (at) ngssoftware (dot) com [email concealed]

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