RHEL 4 / 5 / 6 : firefox (RHSA-2011:1437)

high Nessus Plugin ID 56741
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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated firefox packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4, 5, and 6.

The Red Hat Security Response Team has rated this update as having critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox.

A flaw was found in the way Firefox handled certain add-ons. A web page containing malicious content could cause an add-on to grant itself full browser privileges, which could lead to arbitrary code execution with the privileges of the user running Firefox.
(CVE-2011-3647)

A cross-site scripting (XSS) flaw was found in the way Firefox handled certain multibyte character sets. A web page containing malicious content could cause Firefox to run JavaScript code with the permissions of a different website. (CVE-2011-3648)

A flaw was found in the way Firefox handled large JavaScript scripts.
A web page containing malicious JavaScript could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2011-3650)

For technical details regarding these flaws, refer to the Mozilla security advisories for Firefox 3.6.24. You can find a link to the Mozilla advisories in the References section of this erratum.

All Firefox users should upgrade to these updated packages, which contain Firefox version 3.6.24, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/cve-2011-3647

https://access.redhat.com/security/cve/cve-2011-3648

https://access.redhat.com/security/cve/cve-2011-3650

http://www.nessus.org/u?ab0bbddd

https://access.redhat.com/errata/RHSA-2011:1437

Plugin Details

Severity: High

ID: 56741

File Name: redhat-RHSA-2011-1437.nasl

Version: 1.20

Type: local

Agent: unix

Published: 11/9/2011

Updated: 1/14/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:firefox, p-cpe:/a:redhat:enterprise_linux:firefox-debuginfo, p-cpe:/a:redhat:enterprise_linux:xulrunner, p-cpe:/a:redhat:enterprise_linux:xulrunner-debuginfo, p-cpe:/a:redhat:enterprise_linux:xulrunner-devel, cpe:/o:redhat:enterprise_linux:4, cpe:/o:redhat:enterprise_linux:5, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:6.1

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Patch Publication Date: 11/8/2011

Vulnerability Publication Date: 11/9/2011

Reference Information

CVE: CVE-2011-3647, CVE-2011-3648, CVE-2011-3650

RHSA: 2011:1437