Rhsa-2009:0256: Critical Security Update - Red Hat ENTERPRISE LINUX 5.4 - TECHNICAL NOTES Manual

All Firefox users should upgrade to these updated packages, which contain Firefox version 3.0.7, and
which correct these issues. After installing the update, Firefox must be restarted for the changes to
take effect.

1.57.7. RHSA-2009:0256: Critical security update

Important
This update has already been released (prior to the GA of this release) as the security
RHSA-2009:0256
errata
An updated firefox package that fixes various security issues is now available for Red Hat Enterprise
Linux 4 and 5.
This update has been rated as having critical security impact by the Red Hat Security Response
Team.
Mozilla Firefox is an open source Web browser.
Several flaws were found in the processing of malformed web content. A web page containing
malicious content could cause Firefox to crash or, potentially, execute arbitrary code as the user
running Firefox. (CVE-2009-0352
Several flaws were found in the way malformed content was processed. A website containing
specially-crafted content could, potentially, trick a Firefox user into surrendering sensitive information.
383
CVE-2009-0355
(CVE-2009-0354 ,
A flaw was found in the way Firefox treated HTTPOnly cookies. An attacker able to execute arbitrary
JavaScript on a target site using HTTPOnly cookies may be able to use this flaw to steal the cookie.
385
(CVE-2009-0357 )
A flaw was found in the way Firefox treated certain HTTP page caching directives. A local attacker
could steal the contents of sensitive pages which the page author did not intend to be cached.
386
(CVE-2009-0358 )
For technical details regarding these flaws, please see the Mozilla security advisories for Firefox 3.0.6.
You can find a link to the Mozilla advisories in the References section.
All Firefox users should upgrade to these updated packages, which contain Firefox version 3.0.6,
which corrects these issues. After installing the update, Firefox must be restarted for the changes to
take effect.
380
https://www.redhat.com/security/data/cve/CVE-2009-0352.html
381
https://www.redhat.com/security/data/cve/CVE-2009-0353.html
382
https://www.redhat.com/security/data/cve/CVE-2009-0356.html
383
https://www.redhat.com/security/data/cve/CVE-2009-0354.html
384
https://www.redhat.com/security/data/cve/CVE-2009-0355.html
385
https://www.redhat.com/security/data/cve/CVE-2009-0357.html
386
https://www.redhat.com/security/data/cve/CVE-2009-0358.html
379
380 381
CVE-2009-0353
,
384
)
RHSA-2009:0256: Critical security update
382
CVE-2009-0356
, )
63