Public Date:
530157: CVE-2009-3374 Firefox chrome privilege escalation in XPCVariant::VariantDataToJS()

The MITRE CVE dictionary describes this issue as:

The XPCVariant::VariantDataToJS function in the XPCOM implementation in Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4 does not enforce intended restrictions on interaction between chrome privileged code and objects obtained from remote web sites, which allows remote attackers to execute arbitrary JavaScript with chrome privileges via unspecified method calls, related to "doubly-wrapped objects."

Find out more about CVE-2009-3374 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 4 (firefox) RHSA-2009:1530 2009-10-27
Red Hat Enterprise Linux version 5 (firefox) RHSA-2009:1530 2009-10-27

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 5 xulrunner Fixed
Red Hat Enterprise Linux version 5 nspr 4.7.6-1.el5_4 Fixed
Red Hat Enterprise Linux version 4 nspr 4.7.6-1.el4_8 Fixed