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CVE-2008-5508

4.3 · MEDIUM

Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 does not properly parse URLs with leading whitespace or control characters…

Published Dec 17, 2008mozillaCWE-20EPSS 2.22%

Overview

CVE-2008-5508 is a medium-severity vulnerability affecting mozilla firefox. It was published on December 17, 2008 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 does not properly parse URLs with leading whitespace or control characters, which might allow remote attackers to misrepresent URLs and simplify phishing attacks.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update firefox 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
mozillafirefox>= 2.0, < 2.0.0.19Affected
mozillaseamonkey>= 1.0, < 1.1.14Affected
mozillathunderbird>= 2.0, < 2.0.0.19Affected

References

Refsecunia.com/advisories/33184Refsecunia.com/advisories/33188Refsecunia.com/advisories/33189Refsecunia.com/advisories/33203Refsecunia.com/advisories/33204Refsecunia.com/advisories/33205Refsecunia.com/advisories/33216Refsecunia.com/advisories/33231Refsecunia.com/advisories/33408Refsecunia.com/advisories/33415

How CyberStrike helps

Frequently asked questions

What is CVE-2008-5508?

CVE-2008-5508 is a medium-severity vulnerability affecting mozilla firefox. It was published on December 17, 2008 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2008-5508?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-5508?

Check the references section for vendor advisories and patches from mozilla. Update firefox 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-2008-5508?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-5508 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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