What’s Vulnerable › Vulnerabilities
CVE-2006-6623
- Severity: high (CVSS 7.2 v2.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2006-12-18 · updated 2026-06-16
Description
Sygate Personal Firewall 5.6.2808 relies on the Process Environment Block (PEB) to identify a process, which allows local users to bypass the product's controls on a process by spoofing the (1) ImagePathName, (2) CommandLine, and (3) WindowTitle fields in the PEB.
Affected products
- AVG Antivirus Plus Firewall: 7.5.431
- Comodo Personal Firewall: 2.3.6.81
- Filseclab Personal Firewall: 3.0.8686
- Infoprocess Antihook: 3.0.23
- Soft4Ever Look N Stop: 2.05p2
- Symantec Sygate Personal Firewall: 5.6.2808
References
- http://www.matousec.com/downloads/windows-personal-firewall-analysis/ex-coat.zip
- http://www.matousec.com/info/advisories/Bypassing-process-identification-serveral-personal-firewalls-HIPS.php
- http://www.securityfocus.com/archive/1/454522/100/0/threaded
- http://www.securityfocus.com/bid/21615
- http://www.matousec.com/downloads/windows-personal-firewall-analysis/ex-coat.zip
- http://www.matousec.com/info/advisories/Bypassing-process-identification-serveral-personal-firewalls-HIPS.php
- http://www.securityfocus.com/archive/1/454522/100/0/threaded
- http://www.securityfocus.com/bid/21615
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