Vulnerability Assessment & Network Security Forums
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
Checks whether the cachemgr.cgi is installed and accessible.
Detailed Explanation for this Vulnerability Assessment
RedHat Linux 6.0 installs by default a squid cache manager cgi script with
no restricted access permissions. This script could be used to perform a
port scan from the cgi-host machine.
If you are not using the box as a Squid www proxy/cache server then
uninstall the package by executing:
rpm -e squid
If you want to continue using the Squid proxy server software, make the
following actions to tighten security access to the manager interface:
mv /home/httpd/cgi-bin/cachemgr.cgi /home/httpd/protected-cgi-bin/
And add the following directives to /etc/httpd/conf/access.conf and
--- start access.conf segment ---
# Protected cgi-bin directory for programs that
# should not have public access
deny from all
permit from localhost
#permit from .your_domain.com
--- end access.conf segment ---
--- start srm.conf segment ---
ScriptAlias /protected-cgi-bin/ /home/httpd/protected-cgi-bin/
--- end srm.conf segment ---
Network Security Threat Level: High
Networks Security ID: 2059
Vulnerability Assessment Copyright: This script is Copyright (C) 1999 A. de Bernis
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