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CVE-2009-2654

5.8 · MEDIUM

Mozilla Firefox before 3.0.13, and 3.5.x before 3.5.2, allows remote attackers to spoof the address bar, and possibly conduct phishing attacks, via a crafted web page that calls window.open with an…

Published Aug 3, 2009mozillaCWE-20EPSS 4.75%

Overview

CVE-2009-2654 is a medium-severity vulnerability affecting mozilla firefox. It was published on August 3, 2009 and has a CVSS 2.0 base score of 5.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Mozilla Firefox before 3.0.13, and 3.5.x before 3.5.2, allows remote attackers to spoof the address bar, and possibly conduct phishing attacks, via a crafted web page that calls window.open with an invalid character in the URL, makes document.write calls to the resulting object, and then calls the stop method during the loading of the error page.

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
mozillafirefox0Affected

References

Refblog.mozilla.com/security/2009/07/28/url-bar-spoofing-vulnerability/Refes.geocities.com/jplopezy/firefoxspoofing.htmlRefosvdb.org/56717Refsecunia.com/advisories/36001Refsecunia.com/advisories/36126Refsecunia.com/advisories/36141Refsecunia.com/advisories/36435Refsecunia.com/advisories/36669Refsecunia.com/advisories/36670Refsunsolve.sun.com/search/document.do?assetkey=1-66-266148-1

How CyberStrike helps

Frequently asked questions

What is CVE-2009-2654?

CVE-2009-2654 is a medium-severity vulnerability affecting mozilla firefox. It was published on August 3, 2009 and has a CVSS 2.0 base score of 5.8 (MEDIUM).

How severe is CVE-2009-2654?

This vulnerability has a CVSS 2.0 base score of 5.8, 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-2009-2654?

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-2009-2654?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-2654 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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