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>> Microsoft Windows Kernel Privilege Escalation Vulnerabilities (MS08-061)

Title : Microsoft Windows Kernel Privilege Escalation Vulnerabilities (MS08-061)
VUPEN ID : VUPEN/ADV-2008-2812
CVE ID : CVE-2008-2250 - CVE-2008-2251 - CVE-2008-2252
CWE ID : CWE-264 - CWE-415
Rated as : Moderate Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2008-10-14


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

Multiple vulnerabilities have been identified in Microsoft Windows, which could be exploited by local attackers to gain elevated privileges.

The first issue is caused by an error in the Windows kernel that improperly processes input passed from a parent to a child window when a new window is created, which could allow malicious users to run arbitrary code in kernel mode.

The second vulnerability is caused by a double free error in the Windows kernel when handling certain system calls from multiple threads, which could allow malicious users to execute arbitrary code with kernel privileges.

The third issue is caused due to the Windows kernel improperly validating input passed from user mode to the Kernel, which could allow malicious users to cause a memory corruption and run arbitrary code in kernel mode.

Affected Products

Microsoft Windows 2000 Service Pack 4
Microsoft Windows XP Service Pack 2
Microsoft Windows XP Service Pack 3
Microsoft Windows XP Professional x64 Edition
Microsoft Windows XP Professional x64 Edition Service Pack 2
Microsoft Windows Server 2003 Service Pack 1
Microsoft Windows Server 2003 Service Pack 2
Microsoft Windows Server 2003 x64 Edition
Microsoft Windows Server 2003 x64 Edition Service Pack 2
Microsoft Windows Server 2003 SP1 (Itanium)
Microsoft Windows Server 2003 SP2 (Itanium)
Microsoft Windows Vista
Microsoft Windows Vista Service Pack 1
Microsoft Windows Vista x64 Edition
Microsoft Windows Vista x64 Edition Service Pack 1
Microsoft Windows Server 2008 (32-bit)
Microsoft Windows Server 2008 (x64)
Microsoft Windows Server 2008 (Itanium)

Solution

Apply patches :
http://www.microsoft.com/technet/security/Bulletin/MS08-061.mspx

References

http://www.vupen.com/english/advisories/2008/2812
http://www.microsoft.com/technet/security/Bulletin/MS08-061.mspx

Credits

Vulnerabilities reported by Paul Caton (iShadow) and Thomas Garnier (SkyRecon).

ChangeLog

2008-10-14 : Initial release

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