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CVE-2009-0071

2.6 · LOW

Mozilla Firefox 3.0.5 and earlier 3.0.x versions, when designMode is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a certain (a)…

Published Jan 8, 2009mozillaCWE-399EPSS 6.59%

Overview

CVE-2009-0071 is a low-severity vulnerability affecting mozilla firefox. It was published on January 8, 2009 and has a CVSS 2.0 base score of 2.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Mozilla Firefox 3.0.5 and earlier 3.0.x versions, when designMode is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a certain (a) replaceChild or (b) removeChild call, followed by a (1) queryCommandValue, (2) queryCommandState, or (3) queryCommandIndeterm call. NOTE: it was later reported that 3.0.6 and 3.0.7 are also affected.

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

Refarchives.neohapsis.com/archives/fulldisclosure/2009-01/0220.htmlRefarchives.neohapsis.com/archives/fulldisclosure/2009-01/0223.htmlRefarchives.neohapsis.com/archives/fulldisclosure/2009-01/0224.htmlRefwww.securityfocus.com/bid/33154Refbugzilla.mozilla.org/show_bug.cgi?id=448329Refbugzilla.mozilla.org/show_bug.cgi?id=456727Refbugzilla.mozilla.org/show_bug.cgi?id=472507Refwww.exploit-db.com/exploits/8091Refwww.exploit-db.com/exploits/8219Refarchives.neohapsis.com/archives/fulldisclosure/2009-01/0220.html

How CyberStrike helps

Frequently asked questions

What is CVE-2009-0071?

CVE-2009-0071 is a low-severity vulnerability affecting mozilla firefox. It was published on January 8, 2009 and has a CVSS 2.0 base score of 2.6 (LOW).

How severe is CVE-2009-0071?

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-0071?

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-2009-0071?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-0071 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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