CVE-2012-4195

Impact:
Critical
Public Date:
2012-10-26
Bugzilla:
869893: CVE-2012-4194 CVE-2012-4195 CVE-2012-4196 Mozilla: Fixes for Location object issues (MFSA 2012-90)

The MITRE CVE dictionary describes this issue as:

The nsLocation::CheckURL function in Mozilla Firefox before 16.0.2, Firefox ESR 10.x before 10.0.10, Thunderbird before 16.0.2, Thunderbird ESR 10.x before 10.0.10, and SeaMonkey before 2.13.2 does not properly determine the calling document and principal in its return value, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site, and makes it easier for remote attackers to execute arbitrary JavaScript code by leveraging certain add-on behavior.

Find out more about CVE-2012-4195 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

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

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 5 (firefox) RHSA-2012:1407 2012-10-26
Red Hat Enterprise Linux version 6 (firefox) RHSA-2012:1407 2012-10-26
Red Hat Enterprise Linux version 6 (thunderbird) RHSA-2012:1413 2012-10-29
Red Hat Enterprise Linux Optional Productivity Applications version 5 (thunderbird) RHSA-2012:1413 2012-10-29
Red Hat Enterprise Linux Desktop version 5 (thunderbird) RHSA-2012:1413 2012-10-29

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 5 xulrunner 10.0.10-1.el5_8 Fixed
Red Hat Enterprise Linux version 6 xulrunner 10.0.10-1.el6_3 Fixed

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Mariusz Mlynski, moz_bug_r_a4 and Antoine Delignat-Lavaud as the original reporter.

External References