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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
An updated Squid package that fixes several security issues is now
Squid is a full-featured Web proxy cache.
A buffer overflow flaw was found in the Gopher relay parser. This bug
could permit a remote Gopher server to crash the Squid proxy that reads data
from it. Although Gopher servers are now quite rare, a malicious web page
(for example) could redirect or contain a frame pointing to a possible hacker's
malicious gopher server. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2005-0094 to this issue.
An integer overflow flaw was found in the WCCP message parser. It is
possible to crash the Squid server if a possible hacker is able to send a
malformed WCCP message with a spoofed source address matching Squid's
"home router". The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2005-0095 to this issue.
A memory leak was found in the NTLM fakeauth_auth helper. It is possible
that a possible hacker could place the Squid server under high load, causing the
NTML fakeauth_auth helper to consume a large amount of memory, resulting in
a denial of service. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2005-0096 to this issue.
Other security issues have been fixed too (see the advisory for full
Users of Squid should upgrade to this updated package, which contains
backported patches, and is not vulnerable to these issues.
Solution : http://rhn.redhat.com/errata/RHSA-2005-061.html
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2005 Tenable Network Security
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