What’s Vulnerable › Vulnerabilities

CVE-2012-1964

• Severity: medium (CVSS 4.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-07-18 · updated 2026-06-16

Description

The certificate-warning functionality in browser/components/certerror/content/aboutCertError.xhtml in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.10 does not properly handle attempted clickjacking of the about:certerror page, which allows man-in-the-middle attackers to trick users into adding an unintended exception via an IFRAME element.

Affected products

• Mozilla Firefox: 4.0, 4.0-beta1, 4.0-beta10, 4.0-beta11, 4.0-beta12, 4.0-beta2 (+29)
• Mozilla Seamonkey: through 2.0.14; 1.0, 1.0-alpha, 1.0-beta, 1.0.1, 1.0.2, 1.0.3 (+61)
• Mozilla Thunderbird: 5.0, 6.0, 6.0.1, 6.0.2, 7.0, 7.0.1 (+11)
• Mozilla Thunderbird ESR: 10.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5

References

• http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00011.html
• http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00012.html
• http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00013.html
• http://osvdb.org/84011
• http://rhn.redhat.com/errata/RHSA-2012-1088.html
• http://secunia.com/advisories/49965
• http://secunia.com/advisories/49972
• http://secunia.com/advisories/49977
• http://secunia.com/advisories/49979
• http://secunia.com/advisories/49992
• http://secunia.com/advisories/49993
• http://secunia.com/advisories/49994

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