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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2004:259

The remote host is missing updates announced in
advisory RHSA-2004:259.

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 allow an attacker to execute arbitrary
code. The Common Vulnerabilities and Exposures project ( 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 ( 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 allows 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.

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : Critical

CVSS Score:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2004-0600
Bugtraq: 20040722 SWAT PreAuthorization PoC (Google Search)
Bugtraq: 20040722 Samba 3.x swat preauthentication buffer overflow (Google Search)
Bugtraq: 20040722 Security Release - Samba 3.0.5 and 2.2.10 (Google Search)
Bugtraq: 20040722 TSSA-2004-014 - samba (Google Search)
Bugtraq: 20040722 [OpenPKG-SA-2004.033] OpenPKG Security Advisory (samba) (Google Search)
Conectiva Linux advisory: CLA-2004:851
Conectiva Linux advisory: CLA-2004:854
SuSE Security Announcement: SUSE-SA:2004:022 (Google Search)
XForce ISS Database: samba-swat-base64-bo(16785)
Common Vulnerability Exposure (CVE) ID: CVE-2004-0686
HPdes Security Advisory: SSRT4782
XForce ISS Database: samba-mangling-method-bo(16786)
CopyrightCopyright (c) 2005 E-Soft Inc.

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