CVE-2012-4203

Impact:
Moderate
Public Date:
2012-11-20
Bugzilla:
877618: CVE-2012-4203 Mozilla: Javascript: URLs run in privileged context on New Tab page (MFSA 2012-95)

The MITRE CVE dictionary describes this issue as:

The New Tab page in Mozilla Firefox before 17.0 uses a privileged context for execution of JavaScript code by bookmarklets, which allows user-assisted remote attackers to run arbitrary programs by leveraging a javascript: URL in a bookmark.

Find out more about CVE-2012-4203 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the version of firefox as shipped with Red Hat Enterprise Linux 5 and 6

CVSS v2 metrics

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

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

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

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 firefox Not affected
Red Hat Enterprise Linux 6 thunderbird Not affected
Red Hat Enterprise Linux 5 firefox Not affected
Red Hat Enterprise Linux 5 thunderbird Not affected

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges kakzz.ng@gmail.com as the original reporter.

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact Red Hat Product Security.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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