Microsoft SQL Server pre-authentication buffer overflow

mssql-preauth-bo (9788) The risk level is classified as HighHigh Risk

Description:

Microsoft SQL Server 2000 and Microsoft Desktop Engine (MSDE) 2000 are vulnerable to a buffer overflow. By sending malformed data to TCP port 1433, an unauthenticated remote attacker could overflow a buffer and possibly execute code on the server with SYSTEM level privileges.

Note: This vulnerability also affects Cisco CallManager, Cisco Unity, and Cisco Building Broadband Service Manager, which incorporate the use of either SQL Server 2000 or MSDE 2000.


Consequences:

Gain Access

Remedy:

Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS02-056. See References.

For Microsoft SQL Server 2000:
Microsoft originally provided a patch for this vulnerability in MS02-056, but it was superseded by the patch released with MS02-061, and then superseded by the patch released with MS03-031.

For Cisco CallManager, Cisco Unity, and Cisco Building Broadband Service Manager: Refer to Cisco Security Advisory 2003 January 26 05:30 GMT for upgrade or patch information. See References.

References:

Platforms Affected:

  • Cisco Building Broadband Service Manager 5.0
  • Cisco Building Broadband Service Manager 5.1
  • Cisco Unified CallManager 3.3
  • Cisco Unity Server 3.0
  • Cisco Unity Server 4.0
  • Microsoft SQL Server 2000

Reported:

Aug 05, 2002

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