At 6.25pm today David Litchfield has posted a workaround for an un-patched critical flaw in the Oracle PL/SQL gateway. This is a component in iAS, OAS and the Oracle HTTP server. The bug allows an attacker to bypass the PLSQLExclusion list that stops access to critical packages and procedures. The post to the bugtraq mailing list is titled "Workaround for unpatched Oracle PLSQL Gateway flaw" and it gives details of mod_rewrite rules that can be added to the httpd.conf file. mod_rewrite is available on the platforms. The rules check for a trailing right hand bracket which is a signature of the attack.
I was aware of this issue as I had seen the NISCC post previously. Anyone who has the Oracle HTTP server enabled needs to apply this workaound immediatley.
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Pete Finnigan's Oracle Security Weblog
This is the weblog for Pete Finnigan. Pete works in the area of Oracle security and he specialises in auditing Oracle databases for security issues. This weblog is aimed squarely at those interested in the security of their Oracle databases.
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January 2006
- Niall has a good post - DBA as User - 01/05/2006 by 01/05/2006
- up front security - 01/06/2006 by 01/06/2006
- A tiny digital camera - 01/07/2006 by 01/07/2006
- Oracle 'Worm' Exploit Gets Ominous Tweak - 01/08/2006 by 01/08/2006
- Justin talks about a new series of papers on Oracle security by Arup - 01/09/2006 by 01/09/2006
- Howard has some good advice on protecting against worms - 01/10/2006 by 01/10/2006
- Doug has posted an intersting note about executing of SQL script from URL's - 01/12/2006 by 01/12/2006
- Oracle is finally listening to customers about fix times and security patch quality - 01/14/2006 by 01/14/2006
- Interview with Oracle's security chief - 01/16/2006 by 01/16/2006
- Red Database Security has released 5 Oracle security bug advisories - 01/17/2006 by 01/17/2006
- Alex has added advisories for 23 security bugs fixed in 10g Release1 - 01/19/2006 by 01/19/2006
- Alex has produced a detailed analysis of the Jan 2006 CPU - 01/22/2006 by 01/22/2006
- Duncan Harris speaks on Oracle Security - 01/24/2006 by 01/24/2006
- Oracle is advising customers to patch the last CPU very quickly - 01/25/2006 by 01/25/2006
- An argument rages in the ePress between Oracle and Litchfield - 01/27/2006 by 01/27/2006
- Gartner: Oracle no longer a bastion of security - 01/30/2006 by 01/30/2006
- How to connect to the database using Perl - with two way communication - 01/31/2006 by 01/31/2006
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