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Multiple Vulnerabilities in Microsoft SQL Server 2000 - 26 Jul 2002
Microsoft has reported three new vulnerabilities in Microsoft SQL Server 2000 and Microsoft SQL Server Desktop Engine (MSDE).
Ken Pfeil
July 25, 2002
2 Min Read
Reported July 24, 2002, byMicrosoft.
VERSIONS AFFECTED
Microsoft SQL Server 2000
Microsoft Desktop Engine (MSDE) 2000
DESCRIPTION
Microsofthas reported three new vulnerabilities in Microsoft SQL Server 2000 andMicrosoft SQL Server Desktop Engine (MSDE). The vulnerabilities are:
Two buffer overrun vulnerabilities on the SQL Server Resolution Service running on port 1434. By sending a carefully crafted packet to the Resolution Service, an attacker could cause portions of system memory (the heap in one case, the stack in the other) to be overwritten, resulting in a buffer overrun.
A Denial of Service (DoS) vulnerability to the same service. This vulnerability involves sending spoofed source keep-alive packets to port 1434 from one SQL server to another, which could result in a never-ending keep-alive packet exchange from one server to the other and greatly diminished performance.
VENDOR RESPONSE
Thevendor, Microsoft, has released SecurityBulletin MS02-039(Buffer Overruns in SQL Server 2000 Resolution Service Could Enable CodeExecution) to address this vulnerability and recommends that affected usersdownload and apply the appropriate patchmentioned in the security bulletin.
CREDIT
Discovered by DavidLitchfield of Next Generation Security Software.
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