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[RHSA-2004:153-01] Updated CVS packages fix security issue



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                   Red Hat Security Advisory

Synopsis:          Updated CVS packages fix security issue
Advisory ID:       RHSA-2004:153-01
Issue date:        2004-04-14
Updated on:        2004-04-14
Product:           Red Hat Enterprise Linux
Keywords:          
Cross references:  
Obsoletes:         RHSA-2004:004
CVE Names:         CAN-2004-0180
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1. Topic:

Updated cvs packages that fix a client vulnerability that could be
exploited by a malicious server are now available.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386
Red Hat Enterprise Linux WS version 2.1 - i386
Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux ES version 3 - i386
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64

3. Problem description:

CVS is a version control system frequently used to manage source code
repositories.  

Sebastian Krahmer discovered a flaw in CVS clients where rcs diff files can
create files with absolute pathnames.  An attacker could create a fake
malicious CVS server that would cause arbitrary files to be created or
overwritten when a victim connects to it.  The Common Vulnerabilities and
Exposures project (cve.mitre.org) has assigned the name CAN-2004-0180 to
this issue.

Users of CVS are advised to upgrade to these erratum packages, which
contain a patch correcting this issue.

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. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):

118719 - CAN-2004-0180 Malicious CVS server

6. RPMs required:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/cvs-1.11.1p1-12.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.1p1-12.i386.rpm

ia64:
Available from Red Hat Network: cvs-1.11.1p1-12.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/cvs-1.11.1p1-12.src.rpm

ia64:
Available from Red Hat Network: cvs-1.11.1p1-12.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/cvs-1.11.1p1-12.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.1p1-12.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/cvs-1.11.1p1-12.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.1p1-12.i386.rpm

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/cvs-1.11.2-18.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.2-18.i386.rpm

ia64:
Available from Red Hat Network: cvs-1.11.2-18.ia64.rpm

ppc:
Available from Red Hat Network: cvs-1.11.2-18.ppc.rpm

s390:
Available from Red Hat Network: cvs-1.11.2-18.s390.rpm

s390x:
Available from Red Hat Network: cvs-1.11.2-18.s390x.rpm

x86_64:
Available from Red Hat Network: cvs-1.11.2-18.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/cvs-1.11.2-18.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.2-18.i386.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/cvs-1.11.2-18.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.2-18.i386.rpm

ia64:
Available from Red Hat Network: cvs-1.11.2-18.ia64.rpm

x86_64:
Available from Red Hat Network: cvs-1.11.2-18.x86_64.rpm



7. Verification:

MD5 sum                          Package Name
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43b2c45b2de3cf17588612cc9fdfdc67 2.1AS/en/os/SRPMS/cvs-1.11.1p1-12.src.rpm
35f90c3f12d5890ad8e12813de8976dc 2.1AS/en/os/i386/cvs-1.11.1p1-12.i386.rpm
c6f5c79e554beb1d8b40c05e64782a76 2.1AS/en/os/ia64/cvs-1.11.1p1-12.ia64.rpm
43b2c45b2de3cf17588612cc9fdfdc67 2.1AW/en/os/SRPMS/cvs-1.11.1p1-12.src.rpm
c6f5c79e554beb1d8b40c05e64782a76 2.1AW/en/os/ia64/cvs-1.11.1p1-12.ia64.rpm
43b2c45b2de3cf17588612cc9fdfdc67 2.1ES/en/os/SRPMS/cvs-1.11.1p1-12.src.rpm
35f90c3f12d5890ad8e12813de8976dc 2.1ES/en/os/i386/cvs-1.11.1p1-12.i386.rpm
43b2c45b2de3cf17588612cc9fdfdc67 2.1WS/en/os/SRPMS/cvs-1.11.1p1-12.src.rpm
35f90c3f12d5890ad8e12813de8976dc 2.1WS/en/os/i386/cvs-1.11.1p1-12.i386.rpm
3c891ef8e85a899eefbcf3c6a5954534 3AS/en/os/SRPMS/cvs-1.11.2-18.src.rpm
a05510025d541d009af264b36dbf21ab 3AS/en/os/i386/cvs-1.11.2-18.i386.rpm
d4fdda36b5438129bbaaf3f1d60d286a 3AS/en/os/ia64/cvs-1.11.2-18.ia64.rpm
77a9b7bf2dad7eaaa9c03b8bb323466a 3AS/en/os/ppc/cvs-1.11.2-18.ppc.rpm
f40100476c965466650490894e27d806 3AS/en/os/s390/cvs-1.11.2-18.s390.rpm
53a95d3c9fe4d603110cfceb5a953612 3AS/en/os/s390x/cvs-1.11.2-18.s390x.rpm
0130ce0aa0d51b3c556114d01bf30e7a 3AS/en/os/x86_64/cvs-1.11.2-18.x86_64.rpm
3c891ef8e85a899eefbcf3c6a5954534 3ES/en/os/SRPMS/cvs-1.11.2-18.src.rpm
a05510025d541d009af264b36dbf21ab 3ES/en/os/i386/cvs-1.11.2-18.i386.rpm
3c891ef8e85a899eefbcf3c6a5954534 3WS/en/os/SRPMS/cvs-1.11.2-18.src.rpm
a05510025d541d009af264b36dbf21ab 3WS/en/os/i386/cvs-1.11.2-18.i386.rpm
d4fdda36b5438129bbaaf3f1d60d286a 3WS/en/os/ia64/cvs-1.11.2-18.ia64.rpm
0130ce0aa0d51b3c556114d01bf30e7a 3WS/en/os/x86_64/cvs-1.11.2-18.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key is
available from https://www.redhat.com/security/team/key.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>


8. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0180

9. Contact:

The Red Hat security contact is <secalert redhat com>.  More contact
details at https://www.redhat.com/security/team/contact.html

Copyright 2004 Red Hat, Inc.
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