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CVE-2006-4266

3.6 · LOW

Symantec Norton Personal Firewall 2006 9.1.0.33, and possibly earlier, does not properly protect Norton registry keys, which allows local users to provide Trojan horse libraries to Norton by using…

Published Aug 21, 2006symantecEPSS 0.35%

Overview

CVE-2006-4266 is a low-severity vulnerability affecting symantec norton_personal_firewall. It was published on August 21, 2006 and has a CVSS 2.0 base score of 3.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 3.6, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Symantec Norton Personal Firewall 2006 9.1.0.33, and possibly earlier, does not properly protect Norton registry keys, which allows local users to provide Trojan horse libraries to Norton by using RegSaveKey and RegRestoreKey to modify HKLM\SOFTWARE\Symantec\CCPD\SuiteOwners, as demonstrated using NISProd.dll. NOTE: in most cases, this attack would not cross privilege boundaries, because modifying the SuiteOwners key requires administrative privileges. However, this issue is a vulnerability because the product's functionality is intended to protect against privileged actions such as this.

Remediation

Check the references section for vendor advisories and patches from symantec. Update norton_personal_firewall to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
symantecnorton_personal_firewall0Affected

References

Refsecurityreason.com/securityalert/1428Refwww.matousec.com/info/advisories/Norton-DLL-faking-via-SuiteOwners-protection-bypass.phpRefwww.securityfocus.com/archive/1/443632/100/0/threadedRefwww.securityfocus.com/bid/19585Refsecurityreason.com/securityalert/1428Refwww.matousec.com/info/advisories/Norton-DLL-faking-via-SuiteOwners-protection-bypass.phpRefwww.securityfocus.com/archive/1/443632/100/0/threadedRefwww.securityfocus.com/bid/19585

How CyberStrike helps

Frequently asked questions

What is CVE-2006-4266?

CVE-2006-4266 is a low-severity vulnerability affecting symantec norton_personal_firewall. It was published on August 21, 2006 and has a CVSS 2.0 base score of 3.6 (LOW).

How severe is CVE-2006-4266?

This vulnerability has a CVSS 2.0 base score of 3.6, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2006-4266?

Check the references section for vendor advisories and patches from symantec. Update norton_personal_firewall to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2006-4266?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-4266 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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