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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 squid packages
Detailed Explanation for this Vulnerability Assessment
Updated squid packages that fix a security vulnerability as well as
several bugs are now available.
This update has been rated as having moderate security impact by the Red
Hat Security Response Team.
Squid is a high-performance proxy caching server for Web clients,
supporting FTP, gopher, and HTTP data objects.
A denial of service flaw was found in the way squid processes certain NTLM
authentication requests. A remote attacker could send a specially crafted
NTLM authentication request which would cause the Squid server to crash.
The Common Vulnerabilities and Exposures project assigned the name
CVE-2005-2917 to this issue.
Several bugs have also been addressed in this update:
* An error introduced in 2.5.STABLE3-6.3E.14 where Squid can crash if a
user visits a site which has a long DNS record.
* Some authentication helpers were missing needed setuid rights.
* Squid couldn't handle a reply from a HTTP server when the reply began
with the new-line character or wasn't HTTP/1.0 or HTTP/1.1 compliant.
* User-defined error pages were not kept when the squid package was
All users of squid should upgrade to these updated packages, which contain
backported patches to resolve these issues.
Solution : http://rhn.redhat.com/errata/RHSA-2006-0045.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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