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CVE-2012-4184

Impact:
Moderate
Public Date:
2012-10-09
Bugzilla:
863623: CVE-2012-3993 CVE-2012-4184 Mozilla: Chrome Object Wrapper (COW) does not disallow acces to privileged functions or properties (MFSA 2012-83)

The MITRE CVE dictionary describes this issue as:

The Chrome Object Wrapper (COW) implementation in 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 does not prevent access to properties of a prototype for a standard class, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site.

Find out more about CVE-2012-4184 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 5 (thunderbird) RHSA-2012:1351 2012-10-09
Red Hat Enterprise Linux 5 (firefox) RHSA-2012:1350 2012-10-09
Red Hat Enterprise Linux 6 (firefox) RHSA-2012:1350 2012-10-09
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2012:1351 2012-10-09
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2012:1351 2012-10-09

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 6 xulrunner 10.0.8-1.el6_3 Fixed
Red Hat Enterprise Linux version 5 xulrunner 10.0.8-1.el5_8 Fixed

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges moz_bug_r_a4 as the original reporter.

External References

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