CVE-2012-4182

Impact:
Critical
Public Date:
2012-10-09
Bugzilla:
863625: CVE-2012-3995 CVE-2012-4179 CVE-2012-4180 CVE-2012-4181 CVE-2012-4182 CVE-2012-4183 Mozilla: Use-after-free, buffer overflow, and out of bounds read issues found using Address Sanitizer (MFSA 2012-85)

The MITRE CVE dictionary describes this issue as:

Use-after-free vulnerability in the nsTextEditRules::WillInsert function in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

Find out more about CVE-2012-4182 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

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

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 version 5 (firefox) RHSA-2012:1350 2012-10-09
Red Hat Enterprise Linux Optional Productivity Applications version 5 (thunderbird) RHSA-2012:1351 2012-10-09
Red Hat Enterprise Linux version 6 (firefox) RHSA-2012:1350 2012-10-09
Red Hat Enterprise Linux version 6 (thunderbird) RHSA-2012:1351 2012-10-09
Red Hat Enterprise Linux Desktop version 5 (thunderbird) RHSA-2012:1351 2012-10-09

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 5 xulrunner 10.0.8-1.el5_8 Fixed
Red Hat Enterprise Linux version 6 xulrunner 10.0.8-1.el6_3 Fixed

Acknowledgements

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

External References