Public Date:
803113: CVE-2012-0458 Mozilla: Escalation of privilege with Javascript: URL as home page (MFSA 2012-16)

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 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
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2012:0388 2012-03-14
Red Hat Enterprise Linux 5 (firefox) RHSA-2012:0387 2012-03-14
Red Hat Enterprise Linux 5 (thunderbird) RHSA-2012:0388 2012-03-14
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2012:0388 2012-03-14
Red Hat Enterprise Linux 6 (firefox) RHSA-2012:0387 2012-03-14

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 4 firefox Will not fix

Last Modified

CVE description copyright © 2017, The MITRE Corporation


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