full-disclosure - ZDI-11-050: IBM Informix Dynamic Server SET ENVIRONMENT Remote Code Execution Vulnerability

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Message-ID: <AF6E290B52139041BD6CA591212E455B575C3EB8E1@GVW0442EXB.americas.hpqcorp.net>
Date: Mon, 7 Feb 2011 22:53:46 +0000
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'full-disclosure@...ts.grok.org.uk'" <full-disclosure@...ts.grok.org.uk>, 
	"'bugtraq@...urityfocus.com'" <bugtraq@...urityfocus.com>
Subject: ZDI-11-050: IBM Informix Dynamic Server SET
 ENVIRONMENT Remote Code Execution Vulnerability

ZDI-11-050: IBM Informix Dynamic Server SET ENVIRONMENT Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-050

February 7, 2011 - This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 180 day deadline. To view mitigations for this vulnerability please see: http://dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-ibm

-- CVSS:
10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)

-- Affected Vendors:
IBM

-- Affected Products:
IBM Informix

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 6553. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of IBM Informix Database Server. SQL query
execution privileges are required to exploit this vulnerability.

The specific flaw exists within the oninit process bound to TCP port
9088 when processing the arguments to the USELASTCOMMITTED option in a
SQL query. User-supplied data is copied into a stack-based buffer
without proper bounds checking resulting in an exploitable overflow.
Exploitation can result in arbitrary code execution under the context of
the database server.

-- Disclosure Timeline:
2008-11-10 - Vulnerability reported to vendor
2011-02-07 - Public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents 
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

    http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

    http://twitter.com/thezdi

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