Oracle 9i / 10g Fine Grained Auditing Issue

[Alexander Kornbrust]

Red-Database-Security GmbH Oracle Security Advisory


Name Oracle 9i / 10g Fine Grained Auditing Issue
Systems Affected Oracle Database 9i / 10g
Severity Medium Risk
Category FGA Auditing disabled
Vendor URL http://www.oracle.com
Author Alexander Kornbrust (ak at red-database-security.com)
Date 03 May 2005 (V 1.00)



Description
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Fine grained audit (FGA) is disabled for all users if the user SYS runs a
SELECT statement on a FGA object.

This issue is not related to the Oracle Critical Patch Update 2005.


Workarounds
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Do not run SQL for FGA objects as user SYS.
Flush the shared pool (or restart the database) to activate auditing again.


More details including testcase available:
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http://www.red-database-security.com/advisory/oracle-fine-grained-auditing-issue.html




Patch Information
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This information has been public for months but Oracle never released a
security alert for this issue.

Applying patchset 10.1.0.4 is fixing this issue for Oracle 10g.
Oracle 9i is still vulnerable.



History:
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17 February 2004 Oracle logged and published this bug in Metalink
(Bugid: 3450991)
28 March 2005 Oracle released patchset 10.1.0.4
(Information included in the patchset details)




About Red-Database-Security GmbH
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Red-Database-Security GmbH is a specialist in Oracle Security.

http://www.red-database-security.com