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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                   ESB-2005.0964 -- [UNIX/Linux][RedHat]
                   Moderate: libc-client security update
                              7 December 2005

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           libc-client
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux AS/ES/WS 4
                   Red Hat Enterprise Linux Desktop 4
                   UNIX variants (UNIX, Linux, OSX)
Impact:            Execute Arbitrary Code/Commands
Access:            Existing Account
CVE Names:         CVE-2005-2933

Original Bulletin: https://rhn.redhat.com/errata/RHSA-2005-848.html

Comment: This advisory references vulnerabilities in products which run on
         platforms other than Red Hat.  It is recommended that administrators
         running libc-client check for an updated version of the software for
         their operating system.

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                   Red Hat Security Advisory

Synopsis:          Moderate: libc-client security update
Advisory ID:       RHSA-2005:848-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2005-848.html
Issue date:        2005-12-06
Updated on:        2005-12-06
Product:           Red Hat Enterprise Linux
CVE Names:         CVE-2005-2933
- - ---------------------------------------------------------------------

1. Summary:

Updated libc-client packages that fix a buffer overflow issue are now
available.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Problem description:

C-client is a common API for accessing mailboxes.

A buffer overflow flaw was discovered in the way C-client parses user
supplied mailboxes. If an authenticated user requests a specially crafted
mailbox name, it may be possible to execute arbitrary code on a server that
uses C-client to access mailboxes. The Common Vulnerabilities and Exposures
project has assigned the name CVE-2005-2933 to this issue.

All users of libc-client should upgrade to these updated packages, which
contain a backported patch that resolves this issue.

4. Solution:

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

This update is available via Red Hat Network.  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/):

171344 - CVE-2005-2933 imap buffer overflow


6. RPMs required:

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/libc-client-2002e-14.src.rpm
e050f3b294c3a810f9c62a5a4ad8ee35  libc-client-2002e-14.src.rpm

i386:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
15a992bb5fd6a334e430626d194efb83  libc-client-devel-2002e-14.i386.rpm

ia64:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
d82f92b0aa198d5c57a74f849b6233db  libc-client-2002e-14.ia64.rpm
e997fd97ca8970294bb50378ff86de69  libc-client-devel-2002e-14.ia64.rpm

ppc:
895819bc9ab63446494b0771da35da91  libc-client-2002e-14.ppc.rpm
075bae7362a94821ef9b329eca9ab239  libc-client-2002e-14.ppc64.rpm
7a7af03991228dd6e8904f7e6ae152bf  libc-client-devel-2002e-14.ppc.rpm

s390:
782730a8a1ad886fd69ad0918369e5d7  libc-client-2002e-14.s390.rpm
bd98ece7dc7ad68aa1e2d5d54f2c7a30  libc-client-devel-2002e-14.s390.rpm

s390x:
782730a8a1ad886fd69ad0918369e5d7  libc-client-2002e-14.s390.rpm
bede6046b6b14dc2e7e3fe7a7a3c35df  libc-client-2002e-14.s390x.rpm
4662ba7a95544c1860fce45152ceb659  libc-client-devel-2002e-14.s390x.rpm

x86_64:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
37898475b279206da3375d5f4d95b91e  libc-client-2002e-14.x86_64.rpm
678b838f2f0e13af8343ccac76c0b82a  libc-client-devel-2002e-14.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/libc-client-2002e-14.src.rpm
e050f3b294c3a810f9c62a5a4ad8ee35  libc-client-2002e-14.src.rpm

i386:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
15a992bb5fd6a334e430626d194efb83  libc-client-devel-2002e-14.i386.rpm

x86_64:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
37898475b279206da3375d5f4d95b91e  libc-client-2002e-14.x86_64.rpm
678b838f2f0e13af8343ccac76c0b82a  libc-client-devel-2002e-14.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/libc-client-2002e-14.src.rpm
e050f3b294c3a810f9c62a5a4ad8ee35  libc-client-2002e-14.src.rpm

i386:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
15a992bb5fd6a334e430626d194efb83  libc-client-devel-2002e-14.i386.rpm

ia64:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
d82f92b0aa198d5c57a74f849b6233db  libc-client-2002e-14.ia64.rpm
e997fd97ca8970294bb50378ff86de69  libc-client-devel-2002e-14.ia64.rpm

x86_64:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
37898475b279206da3375d5f4d95b91e  libc-client-2002e-14.x86_64.rpm
678b838f2f0e13af8343ccac76c0b82a  libc-client-devel-2002e-14.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/libc-client-2002e-14.src.rpm
e050f3b294c3a810f9c62a5a4ad8ee35  libc-client-2002e-14.src.rpm

i386:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
15a992bb5fd6a334e430626d194efb83  libc-client-devel-2002e-14.i386.rpm

ia64:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
d82f92b0aa198d5c57a74f849b6233db  libc-client-2002e-14.ia64.rpm
e997fd97ca8970294bb50378ff86de69  libc-client-devel-2002e-14.ia64.rpm

x86_64:
c6460f746fa52858d1e617e5aa5f8791  libc-client-2002e-14.i386.rpm
37898475b279206da3375d5f4d95b91e  libc-client-2002e-14.x86_64.rpm
678b838f2f0e13af8343ccac76c0b82a  libc-client-devel-2002e-14.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2933

8. Contact:

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

Copyright 2005 Red Hat, Inc.
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