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CVE-2004-0763

5.0 · MEDIUM

Mozilla Firefox 0.9.1 and 0.9.2 allows remote web sites to spoof certificates of trusted web sites via redirects and Javascript that uses the "onunload" method.

Published Aug 18, 2004mozillaEPSS 5.74%

Overview

CVE-2004-0763 is a medium-severity vulnerability affecting mozilla firefox. It was published on August 18, 2004 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Mozilla Firefox 0.9.1 and 0.9.2 allows remote web sites to spoof certificates of trusted web sites via redirects and Javascript that uses the "onunload" method.

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

References

Refftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txtRefbugzilla.mozilla.org/show_bug.cgi?id=253121Reflists.grok.org.uk/pipermail/full-disclosure/2004-July/024372.htmlRefmarc.info/?l=bugtraq&m=109087067730938&w=2Refmarc.info/?l=bugtraq&m=109900315219363&w=2Refsecunia.com/advisories/12160/Refwww.cipher.org.uk/index.php?p=advisories/Certificate_Spoofing_Mozilla_FireFox_25-07-2004.advisoryRefwww.gentoo.org/security/en/glsa/glsa-200408-22.xmlRefwww.mozilla.org/projects/security/known-vulnerabilities.htmlRefwww.novell.com/linux/security/advisories/2004_36_mozilla.html

How CyberStrike helps

Frequently asked questions

What is CVE-2004-0763?

CVE-2004-0763 is a medium-severity vulnerability affecting mozilla firefox. It was published on August 18, 2004 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2004-0763?

This vulnerability has a CVSS 2.0 base score of 5.0, 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-2004-0763?

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-2004-0763?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2004-0763 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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