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CVE-2012-4193

6.8 · MEDIUM
Published Oct 12, 2012 mozilla CWE-346 EPSS 1.16% (65th pctl)

Overview

CVE-2012-4193 is a medium-severity vulnerability affecting mozilla firefox. It was published on October 12, 2012 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

Mozilla Firefox before 16.0.1, Firefox ESR 10.x before 10.0.9, Thunderbird before 16.0.1, Thunderbird ESR 10.x before 10.0.9, and SeaMonkey before 2.13.1 omit a security check in the defaultValue function during the unwrapping of security wrappers, which allows remote attackers to bypass the Same Origin Policy and read the properties of a Location object, or execute arbitrary JavaScript code, via a crafted web site.

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

Vendor Product Versions Status
mozilla firefox >= 0, < 16.0.1 Affected
mozilla seamonkey >= 0, < 2.13.1 Affected
mozilla thunderbird >= 0, < 16.0.1 Affected
mozilla thunderbird_esr >= 10.0, < 10.0.9 Affected

Frequently Asked Questions

What is CVE-2012-4193?

CVE-2012-4193 is a medium-severity vulnerability affecting mozilla firefox. It was published on October 12, 2012 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2012-4193?

This vulnerability has a CVSS 2.0 base score of 6.8, 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-2012-4193?

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-2012-4193?

CyberStrike's AI-powered security agents can automatically detect CVE-2012-4193 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.