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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 packages
Detailed Explanation for this Vulnerability Assessment
Updated firefox packages that fix several security bugs are now available
for Red Hat Enterprise Linux 4.
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 way Firefox processes certain malformed
arbitrary code as the user running Firefox. (CVE-2006-5463, CVE-2006-5747,
Several flaws were found in the way Firefox renders web pages. A malicious
web page could cause the browser to crash or possibly execute arbitrary
code as the user running Firefox. (CVE-2006-5464)
A flaw was found in the way Firefox verifies RSA signatures. For RSA keys
with exponent 3 it is possible for a possible hacker to forge a signature that
would be incorrectly verified by the NSS library. Firefox as shipped trusts
several root Certificate Authorities that use exponent 3. A possible hacker could
have created a carefully crafted SSL certificate which be incorrectly
trusted when their site was visited by a victim. This flaw was previously
thought to be fixed in Firefox 18.104.22.168, however Ulrich Kuehn discovered the
fix was incomplete (CVE-2006-5462)
Users of Firefox are advised to upgrade to these erratum packages, which
contain Firefox version 22.214.171.124 that corrects these issues.
Solution : http://rhn.redhat.com/errata/RHSA-2006-0733.html
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security
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