CVE-2012-4207

Impact:
Moderate
Public Date:
2012-11-20
Bugzilla:
877629: CVE-2012-4207 Mozilla: Improper character decoding in HZ-GB-2312 charset (MFSA 2012-101)

The MITRE CVE dictionary describes this issue as:

The HZ-GB-2312 character-set implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 does not properly handle a ~ (tilde) character in proximity to a chunk delimiter, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document.

Find out more about CVE-2012-4207 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 Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2012:1483 2012-11-20
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2012:1483 2012-11-20
Red Hat Enterprise Linux 6 (firefox) RHSA-2012:1482 2012-11-20
Red Hat Enterprise Linux 5 (thunderbird) RHSA-2012:1483 2012-11-20
Red Hat Enterprise Linux 5 (firefox) RHSA-2012:1482 2012-11-20

Acknowledgements

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

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation