RHSA-2010:0808 - Security Advisory

Topic

An updated firefox package that fixes one security issue is now available
for Red Hat Enterprise Linux 4.

The Red Hat Security Response Team has rated this update as having critical
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

Description

Mozilla Firefox is an open source web browser.

A race condition flaw was found in the way Firefox handled Document Object
Model (DOM) element properties. A web page containing malicious content
could cause Firefox to crash or, potentially, execute arbitrary code with
the privileges of the user running Firefox. (CVE-2010-3765)

For technical details regarding this flaw, refer to the Mozilla security
advisories for Firefox 3.6.12. You can find a link to the Mozilla
advisories in the References section of this erratum.

All Firefox users should upgrade to this updated package, which contains a
backported patch to correct this issue. After installing the update,
Firefox must be restarted for the changes to take effect.

Solution

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

Affected Products

• Red Hat Enterprise Linux Server 4 x86_64
• Red Hat Enterprise Linux Server 4 ia64
• Red Hat Enterprise Linux Server 4 i386
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4.8 ia64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 4.8 i386
• Red Hat Enterprise Linux Workstation 4 x86_64
• Red Hat Enterprise Linux Workstation 4 ia64
• Red Hat Enterprise Linux Workstation 4 i386
• Red Hat Enterprise Linux Desktop 4 x86_64
• Red Hat Enterprise Linux Desktop 4 i386
• Red Hat Enterprise Linux for IBM z Systems 4 s390x
• Red Hat Enterprise Linux for IBM z Systems 4 s390
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 4.8 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 4.8 s390
• Red Hat Enterprise Linux for Power, big endian 4 ppc
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 4.8 ppc

Fixes

• BZ - 646997 - CVE-2010-3765 Firefox race condition flaw (MFSA 2010-73)

CVEs

• CVE-2010-3765

References

• http://www.redhat.com/security/updates/classification/#critical
• http://www.mozilla.org/security/known-vulnerabilities/firefox36.html#firefox3.6.12