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Secunia Advisory SA27552

Microsoft Sysinternals DebugView Dbgv.sys Privilege Escalation
Secunia Advisory SA27552
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Release Date 2007-11-07
   
Popularity 13,049 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact Privilege escalation
Where Local system
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
Remediation status Secunia CSI, Secunia PSI
Automated scanning Secunia CSI, Secunia PSI
   
Software:
Sysinternals DebugView 4.x

Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2007-4223 CVSS available in Customer Area
  

Description

A vulnerability has been reported in Microsoft Sysinternals DebugView, which can be exploited by malicious, local users to gain escalated privileges.

The problem is that the application loads the Dbgv.sys driver, which is accessible by all users and includes a certain unspecified function that can be exploited to e.g. copy arbitrary data to an arbitrary address.

Successful exploitation allows execution of arbitrary code with kernel privileges, but requires that the application is first started by a user with administrative privileges.

The vulnerability is reported in version 4.64. Other versions may also be affected.


Solution
Update to version 4.72.
Further details available in Customer Area

Provided and/or discovered by
Discovered by Stephen Fewer of Harmony Security and reported via iDefense Labs.

Original Advisory
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=621

Deep Links
Links available in Customer Area


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 Sysinternals DebugView Dbgv.sys Privilege Escalation
 
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