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Category:   OS (Microsoft)  >   Microsoft Local Security Authority Subsystem Service (LSASS) Vendors:   Microsoft
Microsoft Windows LSASS Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1019165
SecurityTracker URL:  http://securitytracker.com/id/1019165
CVE Reference:   CVE-2007-5352   (Links to External Site)
Date:  Jan 8 2008
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2000 SP4, 2003 SP2, XP SP2; and prior service packs
Description:   A vulnerability was reported in Microsoft Windows in the Local Security Authority Subsystem Service (LSASS). A local user can obtain elevated privileges on the target system.

The LSASS service does not properly handle local procedure call (LPC) requests. A local user can send a specially crafted LPC request to execute arbitrary code on the target system with system level privileges.

Windows Vista is not affected.

Thomas Garnier of SkyRecon reported this vulnerability.

Impact:   A local user can obtain system privileges on the target system.
Solution:   The vendor has issued the following fixes:

Microsoft Windows 2000 Service Pack 4:

http://www.microsoft.com/downloads/details.aspx?FamilyId=7956632e-17d9-4876-8340-84fe3e43e5cc

Windows XP Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?FamilyId=6a4cf182-8e36-490e-aefe-edb7b3a0df9c

Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?FamilyID=51fc657b-2b4a-4725-a744-d279e027c4a5

Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?FamilyID=12397b47-b18f-4d4d-b8d7-adec8ff310d5

Windows Server 2003 x64 Edition and Windows 2003 Server x64 Edition Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?FamilyID=f19fd790-a4e6-4a8a-8077-d1bbfe37ecca

Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium based Systems:

http://www.microsoft.com/downloads/details.aspx?FamilyID=0382a195-aa3d-409b-8a79-9fe61588d8a9

A restart is required.

The Microsoft advisory is available at:

http://www.microsoft.com/technet/security/bulletin/ms08-002.mspx

Vendor URL:  www.microsoft.com/technet/security/bulletin/ms08-002.mspx (Links to External Site)
Cause:   Input validation error

Message History:   None.


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