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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 samba packages
Detailed Explanation for this Vulnerability Assessment
Updated samba packages that fix buffer overflows, as well as other various
bugs, are now available.
Samba provides file and printer sharing services to SMB/CIFS clients.
Evgeny Demidov discovered a flaw in the internal routine used by the Samba
Web Administration Tool (SWAT) in Samba versions 3.0.2 through 3.0.4. When
decoding base-64 data during HTTP basic authentication, an invalid base-64
character could cause a buffer overflow. If the SWAT administration
service is enabled, this flaw could permit a possible hacker to execute arbitrary
code. The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CVE-2004-0600 to this issue.
Additionally, the Samba team discovered a buffer overflow in the code used
to support the 'mangling method = hash' smb.conf option. Please be aware
that the default setting for this parameter is 'mangling method = hash2'
and therefore not vulnerable. The Common Vulnerabilities and Exposures
project (cve.mitre.org) has assigned the name CVE-2004-0686 to this issue.
This release includes the updated upstream version 3.0.4 together with
backported security patches to correct these issues as well as a number of
post-3.0.4 bug fixes from the Samba subversion repository.
The most important bug fix permits Samba users to change their passwords
if Microsoft patch KB 828741 (a critical update) had been applied.
All users of Samba should upgrade to these updated packages, which
resolve these issues.
Solution : http://rhn.redhat.com/errata/RHSA-2004-259.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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