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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2003-0002
SQL Server Named Pipe Hijacking, Named Pipe Denial of Service and Buffer Overrun vulnerability

Original Issue Date:July 26, 2003

Severity Rating: MEDIUM

Systems Affected

. Microsoft SQL Server 2000 64 bit all editions
. Microsoft SQL Server 2000 all editions SP3
. Microsoft SQL Server 2000 all editions SP3a
. Microsoft SQL Server 7.0 Service Pack 4
. Microsoft SQL Server 2000 Desktop Engine MSDE SP3
. Microsoft Data Engine MSDE 1.0
. Microsoft Data Engine MSDE 1.0 SP4

Overview

Microsoft SQL Server 7, 2000, and MSDE allows:

  1. local users go gain privileges by hijacking a named pipe during the authentication of another user, i.e the "Named Pipe Hijacking" vulnerability
  2. local or remote authenticated users to cause a "Denial of service" crash or hang via a long request to a named pipe
  3. local users to execute arbitrary code via a certain request to the Local Procedure Calls LPC port that leads to a "Buffer overflow."
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