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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
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
The Oracle XML DB ftp service contains problems with auditing logins.
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.
Oracle was alerted to this flaw on the 9th of March 2006. A patch has now
been made available:
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:
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