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CVE-2012-3991

Impact:
Critical
Public Date:
2012-10-09
Bugzilla:
863621: CVE-2012-3991 Mozilla: GetProperty function can bypass security checks (MFSA 2012-81)

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 do not properly restrict JSAPI access to the GetProperty function, which allows remote attackers to bypass the Same Origin Policy and possibly have unspecified other impact via a crafted web site.

Find out more about CVE-2012-3991 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 5 xulrunner 10.0.8-1.el5_8 Fixed
Red Hat Enterprise Linux version 6 xulrunner 10.0.8-1.el6_3 Fixed

Acknowledgements

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

External References

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