CVE-2006-4266
CVE-2006-4266 is a low-severity vulnerability in Symantec Norton Personal Firewall with a CVSS 2.0 base score of 3.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Low (CVSS 2.0 base score 3.6)
- EPSS exploit prediction: 0% (26th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Symantec Norton Personal Firewall
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2006-4266?
- 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.
- How severe is CVE-2006-4266?
- CVE-2006-4266 has a CVSS 2.0 base score of 3.6, rated low severity.
- Is CVE-2006-4266 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-4266?
- CVE-2006-4266 affects Symantec Norton Personal Firewall. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2006-4266?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2006-4266 published?
- CVE-2006-4266 was published on 2006-08-21 and last updated on 2026-06-16.
References
- http://securityreason.com/securityalert/1428
- http://www.matousec.com/info/advisories/Norton-DLL-faking-via-SuiteOwners-protection-bypass.php
- http://www.securityfocus.com/archive/1/443632/100/0/threaded
- http://www.securityfocus.com/bid/19585
Affected products (1)
- cpe:2.3:a:symantec:norton_personal_firewall:*:*:*:*:*:*:*:*
More vulnerabilities in Symantec Norton Personal Firewall
- CVE-2007-1689 — Critical (CVSS 10.0): Buffer overflow in the ISAlertDataCOM ActiveX control in ISLALERT.DLL for Norton Personal Firewall 2004 and Internet…
- CVE-2004-0444 — Critical (CVSS 10.0): Multiple vulnerabilities in SYMDNS.SYS for Symantec Norton Internet Security and Professional 2002 through 2004, Norton…
- CVE-2007-3699 — Critical (CVSS 9.3): The Decomposer component in multiple Symantec products allows remote attackers to cause a denial of service (infinite…
- CVE-2007-0447 — Critical (CVSS 9.3): Heap-based buffer overflow in the Decomposer component in multiple Symantec products allows remote attackers to execute…
- CVE-2002-1779 — High (CVSS 7.5): The "block fragmented IP Packets" option in Symantec Norton Personal Firewall 2002 (NPW) does not properly protect…
- CVE-2002-1778 — High (CVSS 7.5): Symantec Norton Personal Firewall 2002 allows remote attackers to bypass the portscan protection by using a (1)…