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PeanutHull Privilege Escalation Vulnerability

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Release Date:  2005-07-20    Last Update:  2005-07-27    Views:  7,853

Secunia Advisory SA16124

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


Sowhat has discovered a vulnerability in PeanutHull, which can be exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to the program not dropping its SYSTEM privileges before running another external program such as Internet Explorer. This can be exploited by non-privileged users to gain SYSTEM privileges by invoking the program from the system tray and then using its help menu to invoke Internet Explorer and then cmd.exe.

The vulnerability has reportedly been fixed in version 3.0. However, version 3.0.1.0 is confirmed to be vulnerable as non-privileged users still are able to access the program by sending a SW_SHOW message to the window.


Solution:
Grant only trusted users access to the affected systems.

Provided and/or discovered by:
Sowhat

Original Advisory:
http://secway.org/advisory/AD20050720EN.txt

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: PeanutHull Privilege Escalation Vulnerability

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