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Date: Mon, 3 Dec 2012 20:49:10 GMT
Subject: Privilege Escalation through Binary Planting in Panda Internet

Privilege Escalation through Binary Planting in Panda Internet Security

Software: Panda Internet Security 2012 & 2013
Vuln Type: Binary Planting Attack
Remote: No
Local: Yes
Discovered by: QSecure and Demetris Papapetrou
Discovered: 09/09/2012
Reported: 19/11/2012
Disclosed: 04/12/2012
Vendor's Response: Automatically Generated Email
Vulnerability Reference:

As a result of an incorrect dynamic link library (DLL) loading in Panda Internet Security, an attacker with user level access to the machine can elevate 

his/her privileges to SYSTEM.

This can be accomplished by planting a malicious DLL file in a writable folder that is part of the system's %PATH% variable. The malicious DLL is loaded when 

the vulnerable Panda service or the system is restarted.

The following DLLs are insecurely loaded by Panda Internet Security 2013:

Insecure DLL	Vulnerable Service
-------------	------------------
Pavshld.dll	PsCtrls.exe, PsImSvc.exe, PavFnSvr.exe, PskSvc.exe
ImFilter.dll2	PsImSvc.exe
ImFilter.dll3	PsImSvc.exe
ImFilter.dll4	PsImSvc.exe

In addition to the above DLLs, Panda Internet Security 2012 also loads ham.dll insecurely.

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