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Vulnerability record · CVE-2006-6618 · published 18 December 2006

CVE-2006-6618: Avg antivirus plus firewall vulnerability

Avg · Antivirus Plus Firewall

AntiHook 3.0.0.23 - Desktop 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.

7.2 CVSS 2.0 High EPSS 0.33% · top 76.3%
7.2CVSS 2.0 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

AntiHook 3.0.0.23 - Desktop 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.

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 Vendor Advisory
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 Vendor Advisory
http://www.securityfocus.com/archive/1/454522/100/0/threaded
http://www.securityfocus.com/bid/21615

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.2CVE-2008-1736Comodo personal firewall vulnerabilityComodo Firewall Pro before 3.0 does not properly validate certain parameters to hooked System Service Descriptor Table (SSDT) functions, which allows…EPSS 0.37%7.2CVE-2007-2729Comodo firewall pro vulnerabilityComodo Firewall Pro 2.4.18.184 and Comodo Personal Firewall 2.3.6.81, and probably older Comodo Firewall versions, do not properly test for equivalen…EPSS 0.32%7.2CVE-2007-2730Checkpoint zonealarm vulnerabilityCheck Point ZoneAlarm Pro before 6.5.737.000 does not properly test for equivalence of process identifiers for certain Microsoft Windows API function…EPSS 0.32%7.2CVE-2006-6619Avg antivirus plus firewall vulnerabilityAVG Anti-Virus plus Firewall 7.5.431 relies on the Process Environment Block (PEB) to identify a process, which allows local users to bypass the prod…EPSS 0.99%7.2CVE-2006-6620Avg antivirus plus firewall vulnerabilityComodo Personal Firewall 2.3.6.81 relies on the Process Environment Block (PEB) to identify a process, which allows local users to bypass the product…EPSS 0.33%7.2CVE-2006-6621Avg antivirus plus firewall vulnerabilityFilseclab Personal Firewall 3.0.0.8686 relies on the Process Environment Block (PEB) to identify a process, which allows local users to bypass the pr…EPSS 0.33%7.2CVE-2006-6622Avg antivirus plus firewall vulnerabilitySoft4Ever Look 'n' Stop (LnS) 2.05p2 before 20061215 relies on the Process Environment Block (PEB) to identify a process, which allows local users to…EPSS 0.33%7.2CVE-2006-6623Avg antivirus plus firewall vulnerabilitySygate Personal Firewall 5.6.2808 relies on the Process Environment Block (PEB) to identify a process, which allows local users to bypass the product…EPSS 0.33%

Source: NIST National Vulnerability Database (record CVE-2006-6618), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.