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CVE-2012-0452

7.5 · HIGH

Use-after-free vulnerability in Mozilla Firefox 10.x before 10.0.1, Thunderbird 10.x before 10.0.1, and SeaMonkey 2.7 allows remote attackers to cause a denial of service (application crash) or pos…

Published Feb 11, 2012mozillaCWE-399EPSS 3.04%

Overview

CVE-2012-0452 is a high-severity vulnerability affecting mozilla firefox. It was published on February 11, 2012 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Use-after-free vulnerability in Mozilla Firefox 10.x before 10.0.1, Thunderbird 10.x before 10.0.1, and SeaMonkey 2.7 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger failure of an nsXBLDocumentInfo::ReadPrototypeBindings function call, related to the cycle collector's access to a hash table containing a stale XBL binding.

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

Reflists.opensuse.org/opensuse-security-announce/2012-02/msg00012.htmlReflists.opensuse.org/opensuse-security-announce/2012-02/msg00013.htmlRefsecunia.com/advisories/48110Refsecunia.com/advisories/49055Refwww.mandriva.com/security/advisories?name=MDVSA-2012:017Refwww.mandriva.com/security/advisories?name=MDVSA-2012:018Refwww.mozilla.org/security/announce/2012/mfsa2012-10.htmlRefwww.securityfocus.com/bid/51975Refwww.ubuntu.com/usn/USN-1360-1Refbugzilla.mozilla.org/show_bug.cgi?id=724284

How CyberStrike helps

Frequently asked questions

What is CVE-2012-0452?

CVE-2012-0452 is a high-severity vulnerability affecting mozilla firefox. It was published on February 11, 2012 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2012-0452?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-0452?

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-2012-0452?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-0452 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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