Red Hat alert: Updated CVS packages fix minor security issue

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                   Red Hat Security Advisory

Synopsis:          Updated CVS packages fix minor security issue
Advisory ID:       RHSA-2004:004-01
Issue date:        2004-01-14
Updated on:        2004-01-14
Product:           Red Hat Enterprise Linux
Keywords:          
Cross references:  
Obsoletes:         
CVE Names:         CAN-2002-0844 CAN-2003-0977
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1. Topic:

Updated cvs packages closing a vulnerability that could allow cvs to
attempt to create files and directories in the root file system 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.  

A flaw was found in versions of CVS prior to 1.11.10 where a malformed
module request could cause the CVS server to attempt to create files or
directories at the root level of the file system.  However, normal file
system permissions would prevent the creation of these misplaced
directories.  The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2003-0977 to this issue.

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

For Red Hat Enterprise Linux 2.1, these updates also fix an off-by-one
overflow in the CVS PreservePermissions code.  The PreservePermissions 
feature is not used by default (and can only be used for local CVS). The
Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned
the name CAN-2002-0844 to 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. RPMs required:

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

SRPMS:
ftp://updates.redhat.com/2.1AS/en/os/SRPMS/cvs-1.11.1p1-9.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.1p1-9.i386.rpm

ia64:
Available from Red Hat Network: cvs-1.11.1p1-9.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/2.1AW/en/os/SRPMS/cvs-1.11.1p1-9.src.rpm

ia64:
Available from Red Hat Network: cvs-1.11.1p1-9.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/2.1ES/en/os/SRPMS/cvs-1.11.1p1-9.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.1p1-9.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
ftp://updates.redhat.com/2.1WS/en/os/SRPMS/cvs-1.11.1p1-9.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.1p1-9.i386.rpm

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/3AS/en/os/SRPMS/cvs-1.11.2-14.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.2-14.i386.rpm

ia64:
Available from Red Hat Network: cvs-1.11.2-14.ia64.rpm

ppc:
Available from Red Hat Network: cvs-1.11.2-14.ppc.rpm

s390:
Available from Red Hat Network: cvs-1.11.2-14.s390.rpm

s390x:
Available from Red Hat Network: cvs-1.11.2-14.s390x.rpm

x86_64:
Available from Red Hat Network: cvs-1.11.2-14.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/3ES/en/os/SRPMS/cvs-1.11.2-14.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.2-14.i386.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/3WS/en/os/SRPMS/cvs-1.11.2-14.src.rpm

i386:
Available from Red Hat Network: cvs-1.11.2-14.i386.rpm

ia64:
Available from Red Hat Network: cvs-1.11.2-14.ia64.rpm

x86_64:
Available from Red Hat Network: cvs-1.11.2-14.x86_64.rpm



6. Verification:

MD5 sum                          Package Name
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5632c96f575cb1a98e93662404a263f1 2.1AS/en/os/SRPMS/cvs-1.11.1p1-9.src.rpm
49498e2d6b9f1d3bdf03305f66b7f729 2.1AS/en/os/i386/cvs-1.11.1p1-9.i386.rpm
2ae33190ab7f8096f079d970509383da 2.1AS/en/os/ia64/cvs-1.11.1p1-9.ia64.rpm
5632c96f575cb1a98e93662404a263f1 2.1AW/en/os/SRPMS/cvs-1.11.1p1-9.src.rpm
2ae33190ab7f8096f079d970509383da 2.1AW/en/os/ia64/cvs-1.11.1p1-9.ia64.rpm
5632c96f575cb1a98e93662404a263f1 2.1ES/en/os/SRPM