What’s Vulnerable › Vulnerabilities

CVE-2008-5023

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2008-11-13 · updated 2026-06-16
• Weakness: CWE-20

Description

Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to bypass the protection mechanism for codebase principals and execute arbitrary script via the -moz-binding CSS property in a signed JAR file.

Affected products

• Canonical Ubuntu Linux: 6.06, 7.10, 8.04, 8.10
• Debian Linux: 4.0
• Mozilla Firefox: from 2.0 before 2.0.0.18; from 3.0 before 3.0.4 — fixed in 2.0.0.18, 3.0.4
• Mozilla Seamonkey: from 1.0 before 1.1.13 — fixed in 1.1.13

How to fix

Upgrade to a fixed version: Mozilla Firefox 2.0.0.18, 3.0.4; Mozilla Seamonkey 1.1.13. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00004.html
• http://secunia.com/advisories/32684
• http://secunia.com/advisories/32693
• http://secunia.com/advisories/32694
• http://secunia.com/advisories/32695
• http://secunia.com/advisories/32713
• http://secunia.com/advisories/32714
• http://secunia.com/advisories/32721
• http://secunia.com/advisories/32778
• http://secunia.com/advisories/32845
• http://secunia.com/advisories/32853
• http://secunia.com/advisories/34501

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