Security Advisory SA41525 - Microsoft Windows Task Scheduler Privilege Escalation Security Issue

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Secunia Advisory SA41525

Microsoft Windows Task Scheduler Privilege Escalation Security Issue

Secunia Advisory

SA41525

Release Date

2010-09-21

Last Update

2010-12-14

Popularity

7,179 views

Comments

1 comment

Criticality level

Less critical

Impact

Privilege escalation

Where

Local system

Authentication level

This information is available to Secunia VIM customers

Report reliability

This information is available to Secunia VIM customers

Solution Status

Vendor Patch

3rd party PoC/exploit

Link available in Customer Area

Systems affected

This information is available to Secunia VIM customers

Approve distribution

This information is available to Secunia VIM customers

Remediation status

Secunia CSI, Secunia PSI

Automated scanning

Secunia CSI, Secunia PSI

Operating System

Microsoft Windows 7

Microsoft Windows Server 2008

Microsoft Windows Vista

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2010-3338 CVSS score available to Secunia VIM customers

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.

Changelog
Further details available to Secunia VIM customers

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

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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Secunia Advisory SA41525

Microsoft Windows Task Scheduler Privilege Escalation Security Issue

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