Microsoft Windows Vista SMBv2 signing code execution

win-vista-smbv2-code-execution (38725) The risk level is classified as HighHigh Risk

Description:

The Microsoft Windows Vista SMBv2 feature could allow a remote attacker to execute arbitrary code on the system, caused by a vulnerability related to the implementation of SMBv2 signing. By sending a specially-crafted SMBv2 packet to a vulnerable system, an attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the local user.

Platforms Affected:

  • Microsoft, Windows Vista x64
  • Microsoft, Windows Vista

Remedy:

Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS07-063. See References.

Consequences:

Gain Access

References:

  • Microsoft Security Bulletin MS07-063, Vulnerability in SMBv2 Could Allow Remote Code Execution (942624) at http://www.microsoft.com/technet/security/bulletin/ms07-063.mspx.
  • ASA-2007-510: MS07-063 Vulnerability in SMBv2 Could Allow Remote Code Execution (942624)
  • BID-26777: Microsoft Windows SMBv2 Code Signing Remote Code Execution Vulnerability
  • CVE-2007-5351: Unspecified vulnerability in Server Message Block Version 2 (SMBv2) signing support in Microsoft Windows Vista allows remote attackers to force signature re-computation and execute arbitrary code via a crafted SMBv2 packet, aka SMBv2 Signing Vulnerability.
  • FrSIRT/ADV-2007-4179: Microsoft Windows Vista SMBv2 Signing Remote Vulnerability (MS07-063)
  • SA27997: Microsoft Windows Vista SMBv2 Signing Vulnerability
  • SECTRACK ID: 1019072: Windows Vista Server Message Block v2 Signature Flaw Lets Remote Users Execute Arbitrary Code
  • US-CERT VU#520465: Microsoft SMBv2 signing vulnerability

Reported:

Dec 11, 2007

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