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CVE Database

CVE-2012-1956

Impact: Moderate
Public: 2012-08-28
Bugzilla: 851912: CVE-2012-1956 Mozilla: Location object can be shadowed using Object.defineProperty (MFSA 2012-59)

Details

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2012-1956 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 4.3
Base Metrics: AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: None
Integrity Impact: Partial
Availability Impact: None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
RHEL Optional Productivity Applications version 5 (thunderbird) RHSA-2012:1351 October 09, 2012
Red Hat Enterprise Linux Desktop version 5 (thunderbird) RHSA-2012:1351 October 09, 2012
Red Hat Enterprise Linux version 5 (firefox) RHSA-2012:1350 October 09, 2012
Red Hat Enterprise Linux version 6 (firefox) RHSA-2012:1350 October 09, 2012
Red Hat Enterprise Linux version 6 (thunderbird) RHSA-2012:1351 October 09, 2012

External References

http://www.mozilla.org/security/announce/2012/mfsa2012-59.html

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Security researcher Mariusz Mlynski as the original reporter.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.