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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Check for the version of the firefox package
Detailed Explanation for this Vulnerability Assessment
The remote host is missing the patch for the advisory FEDORA-2006-976 (firefox).
Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance and portability.
Mozilla Firefox is an open source Web browser.
Two flaws were found in the way Firefox processed certain
regular expressions. A malicious web page could crash the
browser or possibly execute arbitrary code as the user
running Firefox. (CVE-2006-4565, CVE-2006-4566)
A number of flaws were found in Firefox. A malicious web
page could crash the browser or possibly execute arbitrary
code as the user running Firefox. (CVE-2006-4571)
A malicious web page could crash the browser or possibly
execute arbitrary code as the user running Firefox.
A flaw was found in the Firefox auto-update verification
system. A possible hacker who has the ability to spoof a victim's
DNS could get Firefox to download and install malicious
code. In order to exploit this issue a possible hacker would also
need to get a victim to previously accept an unverifiable
Firefox did not properly prevent a frame in one domain from
injecting content into a sub-frame that belongs to another
domain, which facilitates website spoofing and other attacks
Firefox did not load manually opened, blocked popups in the
right domain context, which could lead to cross-site
scripting attacks. In order to exploit this issue an
attacker would need to find a site which would frame their
malicious page and convince the user to manually open a
blocked popup. (CVE-2006-4569)
Users of Firefox are advised to upgrade to this update,
which contains Firefox version 22.214.171.124 that corrects these
Solution : Get the newest Fedora Updates
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2007 Tenable Network Security
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