Vulnerability Description
Mozilla Firefox before 15.0, Thunderbird before 15.0, and SeaMonkey before 2.12 do not prevent use of the Object.defineProperty method to shadow the location object (aka window.location), which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via vectors involving a plugin.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | <= 14.0 |
| Mozilla | Thunderbird | <= 14.0 |
| Mozilla | Seamonkey | <= 2.11 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.html
- http://rhn.redhat.com/errata/RHSA-2012-1351.html
- http://www.mozilla.org/security/announce/2012/mfsa2012-59.htmlVendor Advisory
- http://www.securityfocus.com/bid/55260
- http://www.ubuntu.com/usn/USN-1548-1
- http://www.ubuntu.com/usn/USN-1548-2
- https://bugzilla.mozilla.org/show_bug.cgi?id=756719
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.html
- http://rhn.redhat.com/errata/RHSA-2012-1351.html
- http://www.mozilla.org/security/announce/2012/mfsa2012-59.htmlVendor Advisory
FAQ
What is CVE-2012-1956?
CVE-2012-1956 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Mozilla Firefox before 15.0, Thunderbird before 15.0, and SeaMonkey before 2.12 do not prevent use of the Object.defineProperty method to shadow the location object (aka window.location), which makes ...
How severe is CVE-2012-1956?
CVE-2012-1956 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-1956?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Thunderbird, Mozilla Seamonkey.