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CVE Database

CVE-2012-0458

Impact: Critical
Public: 2012-03-13
Bugzilla: 803113: CVE-2012-0458 Mozilla: Escalation of privilege with Javascript: URL as home page (MFSA 2012-16)

Details

The MITRE CVE dictionary describes this issue as:

Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 do not properly restrict setting the home page through the dragging of a URL to the home button, which allows user-assisted remote attackers to execute arbitrary JavaScript code with chrome privileges via a javascript: URL that is later interpreted in the about:sessionrestore context.

Find out more about CVE-2012-0458 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

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
RHEL Optional Productivity Applications version 5 (thunderbird) RHSA-2012:0388 March 14, 2012
Red Hat Enterprise Linux Desktop version 5 (thunderbird) RHSA-2012:0388 March 14, 2012
Red Hat Enterprise Linux version 5 (firefox) RHSA-2012:0387 March 14, 2012
Red Hat Enterprise Linux version 6 (firefox) RHSA-2012:0387 March 14, 2012
Red Hat Enterprise Linux version 6 (thunderbird) RHSA-2012:0388 March 14, 2012

External References

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