AOH :: HP Unsorted L :: BT-21649.HTM

Local privilege escalation vulnerability in Protector Plus Antivirus (Proland Software)



Local privilege escalation vulnerability in Protector Plus Antivirus (Proland Software)
Local privilege escalation vulnerability in Protector Plus Antivirus (Proland Software)



ShineShadow Security Report 15092009-09=0D
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TITLE=0D
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Local privilege escalation vulnerability in Protector Plus antivirus software=0D
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BACKGROUND=0D
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Protector Plus range of antivirus products are known the world over for their efficiency and reliability. Protector Plus Antivirus Software is available for Windows Vista, Windows XP, Windows Me, Windows 2000, Windows 98, Windows 2000/2003/NT server and NetWare platforms. Protector Plus Antivirus Software is the ideal antivirus protection for your computer against all types of malware like viruses, trojans, worms and spyware.=0D
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-- www.pspl.com=0D 
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VULNERABLE PRODUCTS=0D
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Protector Plus 2009 for Windows Desktops (8.0.E03)=0D
Protector Plus 2009 for Windows Server (8.0.E03)=0D
Protector Plus Professional (9.1.001)=0D
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Previous versions may also be affected=0D
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DETAILS=0D
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Protector Plus installs the own program files with insecure permissions (Everyone - Full Control). Local attacker (unprivileged user) can replace some files (for example, executable files of Protector services) by malicious file and execute arbitary code with SYSTEM privileges. This is local privilege escalation vulnerability.=0D
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For example, the following attack scenario could be used:=0D
1. An attacker (unprivileged user) renames one of the Protector program files (below, the FILE). For example, the FILE could be - PPAVMON.exe (Protector Plus Anti-virus Monitor Service).=0D
2. An attacker copies his malicious executable file (with same name as the old filename of the FILE - PPAVMON.exe) to Protector folder.=0D
3. Restart the system.=0D
After restart attackers malicious file will be executed with SYSTEM privileges.=0D
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EXPLOITATION=0D
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This is local privilege escalation vulnerability. An attacker must have valid logon credentials to a system where vulnerable software is installed.=0D
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WORKAROUND=0D
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No workarounds=0D
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DISCLOSURE TIMELINE=0D
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31/08/2009 Initial vendor notification. Secure contacts requested.=0D
01/09/2009 Vendor response =0D
03/09/2009 Vulnerability details sent. Confirmation requested. =96 no reply=0D
09/09/2009 Vulnerability details sent. Confirmation requested. =96 no reply=0D
11/09/2009 Last attempt to get reply from vendor. Vulnerability details sent. Confirmation requested. =96 no reply=0D
15/09/2009 Advisory released=0D
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CREDITS =0D
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Maxim A. Kulakov (aka ShineShadow) =0D
ss_contacts[at]hotmail.com 

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