Microsoft SQL Server Memory Page Reuse information disclosure Vulnerability

Overview

» IDS/IPS Signatures

Security Sites

iPolicy Networks Security Advisory


Date Discovered:	07/08/2008
Severity:	Medium
Operating Systems Affected:	Microsoft Windows 2000 SP4 Microsoft Windows Server 2003 SP1 Microsoft Windows Server 2003 SP2 Microsoft Windows Server 2003 SP1 Microsoft Windows Server 2003 SP2 Microsoft Windows Server 2003 x64 Edition Microsoft Windows Server 2003 x64 Edition SP2 Microsoft Windows Server 2003 x64 Edition Microsoft Windows Server 2003 x64 Edition SP2
Applications Affected:	Microsoft SQL Server 7.0 SP4 Microsoft SQL Server 2000 SP4 Microsoft SQL Server 2000 Itanium-based SP4 Microsoft SQL Server 2005 x64 SP2 Microsoft SQL Server 2005 Itanium-based SP2 Microsoft Data Engine (MSDE) 1.0 SP4 Microsoft SQL Server 2000 Desktop Engine (MSDE 2000) SP4 Microsoft SQL Server 2005 Express SP2 Microsoft SQL Server 2005 Express with Advanced Services SP2

Synopsis

Microsoft SQL server is prone to information disclosure vulnerability. The vulnerability exists in the way that SQL Server manages memory page reuse.

Recommended Actions

Update the patches as guided by vendor at :
http://www.microsoft.com/technet/security/bulletin/ms08-040.mspx

Threat Analysis

An information disclosure vulnerability exists in the way that SQL Server manages memory page reuse. When reallocating memory, SQL Server fails to initialize memory pages.

An attacker with database operator access who successfully exploited this vulnerability could access customer data. An attacker could read the contents of memory pages that contained data from another user’s session. An attacker with database operator access could assemble the uninitialized memory pages from another user’s session by directing a backup to a location that the attacker controls.

References

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0085

Write-up by: Aditya Chaturvedi

Security Sites

“iPolicy is one of the most visionary firewall vendors in the firewall Magic Quadrant. Its architecture of a central session processing engine and multiple content blades that are able to block based on signatures, rules and so on is the closest to the network security ideal.”

Greg Young, John Pescatore
Magic Quadrant for Network Firewalls, 2H04, Gartner

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