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Microsoft Windows Kernel Denial of Service and Privilege Escalation

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Release Date:  2010-08-10    Last Update:  2010-08-17    Views:  4,598

Secunia Advisory SA40871

Where:

Local system

Impact:

Privilege escalation, DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in Microsoft Windows, which can be exploited by malicious, local users to cause a DoS (Denial of Service) or gain escalated privileges.

1) A race condition error in the kernel when handling thread creation attempts using the "NtCreateThread()" function may allow execution of arbitrary code in kernel mode.

2) A double-free error in the Kernel Transaction Manager (KTM) when handling the "UOW" parameter passed to the "NtCreateTransaction()" function may allow execution of arbitrary code in kernel mode.

3) An error in the kernel when validating access control lists in the "SeObjectCreateSaclAccessBits()" function on kernel objects can be exploited to cause a vulnerable system to become unresponsive and restart.

NOTE: Windows XP Professional x64 Edition SP2 is not affected by any of the vulnerabilities.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Der Hersteller nennt Tavis Ormandy, Google.

Original Advisory:
MS10-047 (KB981852):
http://www.microsoft.com/technet/security/bulletin/MS10-047.mspx

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Microsoft Windows Kernel Denial of Service and Privilege Escalation

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