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full-disclosure-uk: [Full-disclosure] ZDI-09-001: Microsoft SMB

[Full-disclosure] ZDI-09-001: Microsoft SMB NT Trans Request Parsing Remote Code Execution Vulnerability

From: <zdi-disclosures_at_nospam>
Date: Tue Jan 13 2009 - 20:03:55 GMT
To: full-disclosure@lists.grok.org.uk, bugtraq@securityfocus.com


ZDI-09-001: Microsoft SMB NT Trans Request Parsing Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-09-001 January 13, 2009

  • CVE ID: CVE-2008-4834
  • Affected Vendors: Microsoft
  • Affected Products: Microsoft Windows XP Microsoft Windows 2000 SP4 Microsoft Windows Server 2003 Microsoft Windows Vista Microsoft Windows Server 2008
  • TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 6662. For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

  • Vulnerability Details: This vulnerability allows remote attackers to trigger a denial of service condition on vulnerable installations of Microsoft Windows; remote code execution is also theoretically possible. User interaction is not required to exploit this vulnerability.

The specific flaw exists in the processing of SMB requests. By specifying malformed values during an NT Trans request an attacker can cause the target system to kernel panic thereby requiring a reboot of the system. Further manipulation can theoretically result in remote unauthenticated code execution.

  • Vendor Response: Microsoft has issued an update to correct this vulnerability. More details can be found at:

http://www.microsoft.com/technet/security/bulletin/ms09-001.mspx

  • Disclosure Timeline: 2008-06-25 - Vulnerability reported to vendor 2009-01-13 - Coordinated 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.

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