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                   Red Hat Security Advisory

Synopsis:          New samba packages fix security vulnerabilities
Advisory ID:       RHSA-2003:095-01
Issue date:        2003-03-17
Updated on:        2003-03-17
Product:           Red Hat Linux
Keywords:          smb
Cross references:  
Obsoletes:         RHSA-2002:266
CVE Names:         CAN-2003-0085 CAN-2003-0086
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1. Topic:

Updated Samba packages are now available to fix security vulnerabilities
found during a code audit.

2. Relevant releases/architectures:

Red Hat Linux 7.2 - i386, ia64
Red Hat Linux 7.3 - i386
Red Hat Linux 8.0 - i386

3. Problem description:

Samba is a suite of utilities which provides file and printer sharing
services to SMB/CIFS clients.

Sebastian Krahmer discovered a security vulnerability present
in unpatched versions of Samba prior to 2.2.8. An anonymous user could
exploit the vulnerability to gain root access on the target machine. 

Additionally, a race condition was discovered which could allow an attacker
to overwrite critical system files.

All users of Samba are advised to update to the erratum packages which
contain patches to correct these vulnerabilities.  Erratum packages for
releases which use Samba 2.0.x will be available shortly.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade.  Only those
RPMs which are currently installed will be updated.  Those RPMs which are
not installed but included in the list will not be updated.  Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.

Please note that this update is also available via Red Hat Network.  Many
people find this an easier way to apply updates.  To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

5. RPMs required:

Red Hat Linux 7.2:

SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/samba-2.2.7-2.7.2.src.rpm

i386:
ftp://updates.redhat.com/7.2/en/os/i386/samba-2.2.7-2.7.2.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/samba-common-2.2.7-2.7.2.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/samba-client-2.2.7-2.7.2.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/samba-swat-2.2.7-2.7.2.i386.rpm

ia64:
ftp://updates.redhat.com/7.2/en/os/ia64/samba-2.2.7-2.7.2.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/samba-common-2.2.7-2.7.2.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/samba-client-2.2.7-2.7.2.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/samba-swat-2.2.7-2.7.2.ia64.rpm

Red Hat Linux 7.3:

SRPMS:
ftp://updates.redhat.com/7.3/en/os/SRPMS/samba-2.2.7-2.7.3.src.rpm

i386:
ftp://updates.redhat.com/7.3/en/os/i386/samba-2.2.7-2.7.3.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/samba-common-2.2.7-2.7.3.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/samba-client-2.2.7-2.7.3.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/samba-swat-2.2.7-2.7.3.i386.rpm

Red Hat Linux 8.0:

SRPMS:
ftp://updates.redhat.com/8.0/en/os/SRPMS/samba-2.2.7-4.8.0.src.rpm

i386:
ftp://updates.redhat.com/8.0/en/os/i386/samba-2.2.7-4.8.0.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/samba-common-2.2.7-4.8.0.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/samba-client-2.2.7-4.8.0.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/samba-swat-2.2.7-4.8.0.i386.rpm



6. Verification:

MD5 sum                          Package Name
--------------------------------------------------------------------------
d69bb56093e7331df997d659ca2ea9e8 7.2/en/os/SRPMS/samba-2.2.7-2.7.2.src.rpm
260f20116ee659b3ae90f0ddddd62cf9 7.2/en/os/i386/samba-2.2.7-2.7.2.i386.rpm
73d30c36d6bd66e46bd6748c75b66d95
 7.2/en/os/i386/samba-client-2.2.7-2.7.2.i386.rpm
f0b0c21452d61a3a6b2c9678c2ff21e5
 7.2/en/os/i386/samba-common-2.2.7-2.7.2.i386.rpm
5bc9e1065133519be8f8ad1217a91c28 7.2/en/os/i386/samba-swat-2.2.7-2.7.2.i386.rpm
5baa777197d842e5b3c9d6aa8aed42c3 7.2/en/os/ia64/samba-2.2.7-2.7.2.ia64.rpm
60815d802212e7c1d81578202483da1b
 7.2/en/os/ia64/samba-client-2.2.7-2.7.2.ia64.rpm
42dc373237a120ebff3d3e2f0a75ccfc
 7.2/en/os/ia64/samba-common-2.2.7-2.7.2.ia64.rpm
4869acd937643d1ebd47c08a124d4a6d 7.2/en/os/ia64/samba-swat-2.2.7-2.7.2.ia64.rpm
1a8b4d5ecf465a7b77002b9491a7e634 7.3/en/os/SRPMS/samba-2.2.7-2.7.3.src.rpm
e28cae0c58825bb3361cd91062e3b4f4 7.3/en/os/i386/samba-2.2.7-2.7.3.i386.rpm
da6798c92ea24bf85a676adf17e9084a
 7.3/en/os/i386/samba-client-2.2.7-2.7.3.i386.rpm
34d8b1a219edd1891d0ea371c06a02d7
 7.3/en/os/i386/samba-common-2.2.7-2.7.3.i386.rpm
852d956fc9ae7c16553d3803617888d4 7.3/en/os/i386/samba-swat-2.2.7-2.7.3.i386.rpm
69efd966ca49b534e213d10467adb3f8 8.0/en/os/SRPMS/samba-2.2.7-4.8.0.src.rpm
28fbffa7571d2e77ed6e6eb11a2f553a 8.0/en/os/i386/samba-2.2.7-4.8.0.i386.rpm
db4faec9250a12ab30edcc62cddaeb43
 8.0/en/os/i386/samba-client-2.2.7-4.8.0.i386.rpm
63072e475355d39479b6d755123523bc
 8.0/en/os/i386/samba-common-2.2.7-4.8.0.i386.rpm
d5fe4f9b3c1fa92a6b0d17b7e4042f2d 8.0/en/os/i386/samba-swat-2.2.7-4.8.0.i386.rpm


These packages are GPG signed by Red Hat, Inc. for security.  Our key
is available at http://www.redhat.com/about/contact/pgpkey.html

You can verify each package with the following command:
    
    rpm --checksig -v <filename>

If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
    
    md5sum <filename>


7. References:

http://www.samba.org/samba/whatsnew/samba-2.2.8.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0085
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0086

8. Contact:

The Red Hat security contact is <security@redhat.com>.  More contact
details at http://www.redhat.com/solutions/security/news/contact.html

Copyright 2003 Red Hat, Inc.



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