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Microsoft Windows Task Scheduler Privilege Escalation Security Issue

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Release Date:  2010-09-21    Last Update:  2010-12-14    Views:  7,803

Secunia Advisory SA41525

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A security issue has been reported in Microsoft Windows, which can be exploited by malicious, local users to gain escalated privileges.

The security issue is caused due to an insufficient integrity check of the Task Scheduler jobs (%SystemRoot%\system32\Tasks\) and can be exploited to modify the XML job file to e.g. execute a task with higher privileges.

NOTE: The security issue is currently being actively exploited.


Solution:
Apply the patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Reported as a 0-day.

Original Advisory:
Microsoft:
http://blogs.technet.com/b/msrc/archive/2010/09/13/september-2010-security-bulletin-release.aspx

MS10-092 (KB2305420):
http://www.microsoft.com/technet/security/bulletin/ms10-092.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 Task Scheduler Privilege Escalation Security Issue

User Message
RichardD RE: Microsoft Windows Unspecified Privilege Escalation Vulnerability
Member 27th Sep, 2010 14:23
Score: 7
Posts: 5
User Since: 4th Mar 2010
System Score: N/A
Location: UK
Last edited on 27th Sep, 2010 14:24
"Where: From remote"
"... can be exploited by malicious, local users ..."

These two statements don't add up. Can this be exploited remotely, or is it restricted to local users?
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