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Microsoft SQL Server xp_updatecolvbm Buffer Overflow

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Microsoft SQL Server xp_updatecolvbm Buffer Overflow

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
01/09/2001
Created
07/25/2018
Added
11/01/2004
Modified
12/04/2013

Description

Microsoft SQL Server is vulnerable to a buffer overflow by calling the procedure xp_updatecolvbm with long parameter data. This procedure calls the srv_paraminfo API, which does not check the buffer length before copying the paramters.

To exploit this vulnerability, the user must first logon to the SQL server. This requires knowledge of a valid user id and password. Once logged on, the malicious user can execute arbitrary commands with the privileges of the account used by the SQL server.

Solution(s)

  • install-microsoft-patch-8c3b4321a3c069d2c6c72e9ffe1dde61
  • install-microsoft-patch-a62a6bdb2826dd550bf74d3d1bc9d04b

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