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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 cyrus packages
Detailed Explanation for this Vulnerability Assessment
Updated cyrus-sasl packages that fix a setuid and setgid application
vulnerability are now available.
[Updated 7th October 2004]
Revised cryus-sasl packages have been added for Red Hat Enterprise Linux 3
the patch in the previous packages broke interaction with ldap.
The cyrus-sasl package contains the Cyrus implementation of SASL. SASL is
the Simple Authentication and Security Layer, a method for adding
authentication support to connection-based protocols.
At application startup, libsasl and libsasl2 attempts to build a list
of all available SASL plug-ins which are available on the system. To do
so, the libraries search for and attempt to load every shared library found
within the plug-in directory. This location can be set with the SASL_PATH
In situations where an untrusted local user can affect the environment of a
privileged process, this behavior could be exploited to run arbitrary code
with the rights of a setuid or setgid application. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CVE-2004-0884 to this issue.
Users of cyrus-sasl should upgrade to these updated packages, which contain
backported patches and are not vulnerable to this issue.
Solution : http://rhn.redhat.com/errata/RHSA-2004-546.html
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2004 Tenable Network Security
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