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CVE Database

CVE-2012-3994

Impact: Moderate
Public: 2012-10-09
Bugzilla: 863622: CVE-2012-3994 Mozilla: top object and location property accessible by plugins (MFSA 2012-82)

Details

The MITRE CVE dictionary describes this issue as:

Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 allow remote attackers to conduct cross-site scripting (XSS) attacks via a binary plugin that uses Object.defineProperty to shadow the top object, and leverages the relationship between top.location and the location property.

Find out more about CVE-2012-3994 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/mfsa2012-82.html

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges 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.