Home page logo
/

fulldisclosure logo Full Disclosure mailing list archives

ZDI-11-035: IBM DB2 db2dasrrm validateUser Remote Code Execution Vulnerability
From: ZDI Disclosures <zdi-disclosures () tippingpoint com>
Date: Mon, 31 Jan 2011 19:59:56 +0000

ZDI-11-035: IBM DB2 db2dasrrm validateUser Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-035

January 31, 2011

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

-- Affected Vendors:
IBM

-- Affected Products:
IBM DB2 Universal Database

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of IBM DB2. Authentication is not required to
exploit this vulnerability. 

The specific flaw exists within the db2dasrrm process responsible for
handling queries to the com.ibm.db2.das.core.DasSysCmd function. While
processing a request, the username supplied is copied into a
fixed-length stack buffer. By providing a large enough string the copy
operation can overflow leading to remote code execution.

-- Vendor Response:
IBM states:
v9.1 fp10       
IC69986  https://www-304.ibm.com/support/entdocview.wss?uid=swg1IC66811

v9.5 fp6        
IC70538  https://www-304.ibm.com/support/entdocview.wss?uid=swg1IC70538 

v9.7 fp3
IC70539  https://www-304.ibm.com/support/entdocview.wss?uid=swg1IC70539

-- Disclosure Timeline:
2010-06-30 - Vulnerability reported to vendor
2011-01-31 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Intevydis http://intevydis.com

-- 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

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/


  By Date           By Thread  

Current thread:
  • ZDI-11-035: IBM DB2 db2dasrrm validateUser Remote Code Execution Vulnerability ZDI Disclosures (Jan 31)
[ Nmap | Sec Tools | Mailing Lists | Site News | About/Contact | Advertising | Privacy ]