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full-disclosure-uk: Re: [Full-disclosure] Trigger Abuse of MDSYS

Re: [Full-disclosure] Trigger Abuse of MDSYS.SDO_TOPO_DROP_FTBL in Oracle 10g R1 and R2

From: <sexyazngrl69_at_nospam>
Date: Wed Jan 14 2009 - 00:32:23 GMT
To: full-disclosure@lists.grok.org.uk, bugtraq@securityfocus.com, davidl@ngssoftware.com

Hash: SHA1

afaik, no one cares about oracle.

retarded blind scavengers make careers selling fallen, rotten, previously low hanging fruit.

<3 2 n3td3v

> Tue, 13 Jan 2009 15:52:02 -0800 David Litchfield
<davidl@ngssoftware.com> wrote:
>NGSSoftware Insight Security Research Advisory
>Name: Trigger abuse of MDSYS.SDO_TOPO_DROP_FTBL
>Systems Affected: Oracle 10g R1 and R2 ( and
>Severity: High
>Vendor URL: http://www.oracle.com/
>Author: David Litchfield [ davidl@ngssoftware.com ]
>Reported: 23rd July 2008
>Date of Public Advisory: 13th January 2009
>Advisory number: #NISR13012009
>CVE: CVE-2008-3979
>Oracle has just released a fix for a flaw that, when exploited,
>allows a low
>privileged authenticated database user to gain MDSYS privileges.
>This can be
>abused by an attacker to perform actions as the MDSYS user.
>MDSYS.SDO_TOPO_DROP_FTBL is one of the triggers that forms part of

>Oracle Spatial Application. It is vulnerable to SQL injection.
>When a user
>drops a table the trigger fires. The name of the table is embedded

>in a
>dynamic SQL query which is then executed by the trigger. Note that

>Oracle advisory states that the attacker requires the DROP TABLE
>PROCEDURE privileges. This is not the case and only CREATE SESSION

>privileges are required.
>Fix Information
>Oracle was alerted to this flaw on the 23rd July 2008. A patch has

>now been
>made available:
>NGSSQuirreL for Oracle, an advanced vulnerability assessment
>designed specifically for Oracle, can be used to accurately
>whether your servers are vulnerable to these flaws. More
>information about
>NGSSQuirreL for Oracle can be found here:

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