CVE-2012-1957

Impact:
Moderate
Public Date:
2012-07-17
Bugzilla:
840208: CVE-2012-1957 Mozilla: Improper filtering of javascript in HTML feed-view (MFSA 2012-47)

The MITRE CVE dictionary describes this issue as:

An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 does not properly handle EMBED elements within description elements in RSS feeds, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a feed.

Find out more about CVE-2012-1957 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

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

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-2012:1089 2012-07-17
Red Hat Enterprise Linux 5 (firefox) RHSA-2012:1088 2012-07-17
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2012:1089 2012-07-17
Red Hat Enterprise Linux 6 (firefox) RHSA-2012:1088 2012-07-17
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2012:1089 2012-07-17

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Security researcher Mario Heiderich as the original reporter of this issue.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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