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ESB-2005.0258 -- RHSA-2005:330-01 -- Important: krb5 security update

Date: 31 March 2005
References: ESB-2005.0244  

Click here for printable version
Click here for PGP verifiable version
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

                     ESB-2005.0258 -- RHSA-2005:330-01
                      Important: krb5 security update
                               31 March 2005

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

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

Product:           krb5
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux AS/ES/WS 4
                   Red Hat Desktop version 4
                   Red Hat Enterprise Linux AS/ES/WS 3
                   Red Hat Desktop version 3
                   Red Hat Enterprise Linux AS/ES/WS 2.1
                   Red Hat Linux Advanced Workstation 2.1
Impact:            Execute Arbitrary Code/Commands
Access:            Remote/Unauthenticated
CVE Names:         CAN-2005-0469 CAN-2005-0468

Ref:               ESB-2005.0244

Original Bulletin: https://rhn.redhat.com/errata/RHSA-2005-330.html

- --------------------------BEGIN INCLUDED TEXT--------------------

- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- - ---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Important: krb5 security update
Advisory ID:       RHSA-2005:330-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2005-330.html
Issue date:        2005-03-30
Updated on:        2005-03-30
Product:           Red Hat Enterprise Linux
Keywords:          telnet
CVE Names:         CAN-2005-0468 CAN-2005-0469
- - ---------------------------------------------------------------------

1. Summary:

Updated krb5 packages which fix two buffer overflow vulnerabilities in the
included Kerberos-aware telnet client are now available.

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

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 Desktop version 3 - i386, x86_64
Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64
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:

Kerberos is a networked authentication system which uses a trusted third
party (a KDC) to authenticate clients and servers to each other.

The krb5-workstation package includes a Kerberos-aware telnet client. 
Two buffer overflow flaws were discovered in the way the telnet client
handles messages from a server.  An attacker may be able to execute
arbitrary code on a victim's machine if the victim can be tricked into
connecting to a malicious telnet server. The Common Vulnerabilities and
Exposures project (cve.mitre.org) has assigned the names CAN-2005-0468 and
CAN-2005-0469 to these issues.

Users of krb5 should update to these erratum packages which contain a
backported patch to correct this issue.

Red Hat would like to thank iDEFENSE for their responsible disclosure of
this issue.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  Use Red Hat
Network to download and update your packages.  To launch the Red Hat
Update Agent, use the following command:

    up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

    http://www.redhat.com/docs/manuals/enterprise/

5. Bug IDs fixed (http://bugzilla.redhat.com/):

151267 - 

6. RPMs required:

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

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/krb5-1.2.2-34.src.rpm
d76d469166a335ebdbd60c201280114e  krb5-1.2.2-34.src.rpm

i386:
5a864d57b0e04534006b809215e5b2a1  krb5-devel-1.2.2-34.i386.rpm
2353b8f37263fbe2b3a36659517760fc  krb5-libs-1.2.2-34.i386.rpm
605b4b5ffd2a3ee6c05350aaf9d16004  krb5-server-1.2.2-34.i386.rpm
d5a304cd4a4f0769630255072ee9c763  krb5-workstation-1.2.2-34.i386.rpm

ia64:
8befb0ccf160d23932a924acfb6b3072  krb5-devel-1.2.2-34.ia64.rpm
95b7c9b2048548fbfe1750c4d72a23b7  krb5-libs-1.2.2-34.ia64.rpm
26f1bdaccc93e24e833a2d5f20bbfa09  krb5-server-1.2.2-34.ia64.rpm
d98001ff0bb393830e5269e203f3ca48  krb5-workstation-1.2.2-34.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/krb5-1.2.2-34.src.rpm
d76d469166a335ebdbd60c201280114e  krb5-1.2.2-34.src.rpm

ia64:
8befb0ccf160d23932a924acfb6b3072  krb5-devel-1.2.2-34.ia64.rpm
95b7c9b2048548fbfe1750c4d72a23b7  krb5-libs-1.2.2-34.ia64.rpm
26f1bdaccc93e24e833a2d5f20bbfa09  krb5-server-1.2.2-34.ia64.rpm
d98001ff0bb393830e5269e203f3ca48  krb5-workstation-1.2.2-34.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/krb5-1.2.2-34.src.rpm
d76d469166a335ebdbd60c201280114e  krb5-1.2.2-34.src.rpm

i386:
5a864d57b0e04534006b809215e5b2a1  krb5-devel-1.2.2-34.i386.rpm
2353b8f37263fbe2b3a36659517760fc  krb5-libs-1.2.2-34.i386.rpm
605b4b5ffd2a3ee6c05350aaf9d16004  krb5-server-1.2.2-34.i386.rpm
d5a304cd4a4f0769630255072ee9c763  krb5-workstation-1.2.2-34.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/krb5-1.2.2-34.src.rpm
d76d469166a335ebdbd60c201280114e  krb5-1.2.2-34.src.rpm

i386:
5a864d57b0e04534006b809215e5b2a1  krb5-devel-1.2.2-34.i386.rpm
2353b8f37263fbe2b3a36659517760fc  krb5-libs-1.2.2-34.i386.rpm
605b4b5ffd2a3ee6c05350aaf9d16004  krb5-server-1.2.2-34.i386.rpm
d5a304cd4a4f0769630255072ee9c763  krb5-workstation-1.2.2-34.i386.rpm

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/krb5-1.2.7-42.src.rpm
15e292d791e6cd5a788764374c32769e  krb5-1.2.7-42.src.rpm

i386:
8d2d653de75e0e90d9718043bb9ec2ea  krb5-devel-1.2.7-42.i386.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
76a8c1d4048606e96b763b1cfd9e2862  krb5-server-1.2.7-42.i386.rpm
02d15698839a4dca13a692567fdc3701  krb5-workstation-1.2.7-42.i386.rpm

ia64:
d9486bd1ba6bf58fff0c33b8b54e10d1  krb5-devel-1.2.7-42.ia64.rpm
b8f7a412868eb4331b2ac371f2935bed  krb5-libs-1.2.7-42.ia64.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
e4f4267d02ac27da8963c4770c2d6ab7  krb5-server-1.2.7-42.ia64.rpm
a0eb9ccceccb1d777331ab1098ce24b8  krb5-workstation-1.2.7-42.ia64.rpm

ppc:
2bfc18ea2b64f042e96f6a7aa3ec769b  krb5-devel-1.2.7-42.ppc.rpm
62e0c55d9ee03b661c90689f4c663fa9  krb5-libs-1.2.7-42.ppc.rpm
0001f467b217ae55c103a9f8d8bbe0c4  krb5-libs-1.2.7-42.ppc64.rpm
4ae29ca81df4a7323f4a04dfe7bf422e  krb5-server-1.2.7-42.ppc.rpm
c28434eb04aa8ba62ae98f384ae96d66  krb5-workstation-1.2.7-42.ppc.rpm

s390:
018b6ff9a07097653d1fb0083a8654eb  krb5-devel-1.2.7-42.s390.rpm
9c2251b0c061abcec03805bf668654fa  krb5-libs-1.2.7-42.s390.rpm
e35388af17b751685a02b35be76c83eb  krb5-server-1.2.7-42.s390.rpm
f8336a07b5429d1c48592dbe9e8b638a  krb5-workstation-1.2.7-42.s390.rpm

s390x:
fc291f78e9ae09ab0500eb772e364b57  krb5-devel-1.2.7-42.s390x.rpm
ace1cd33911c12d87ee4616eea5f97d6  krb5-libs-1.2.7-42.s390x.rpm
9c2251b0c061abcec03805bf668654fa  krb5-libs-1.2.7-42.s390.rpm
b344cc43c163bb08a5b691dcbee69d10  krb5-server-1.2.7-42.s390x.rpm
947cfc0608f6bed2c325d5113188391e  krb5-workstation-1.2.7-42.s390x.rpm

x86_64:
c8f33f385c8b59f8088ba3938820f466  krb5-devel-1.2.7-42.x86_64.rpm
2d13ed5aad4c7910373cfd7399780e18  krb5-libs-1.2.7-42.x86_64.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
55efe49040a64af9f4368e1e6c02c758  krb5-server-1.2.7-42.x86_64.rpm
a00c82982864a159076c9f7548675ad9  krb5-workstation-1.2.7-42.x86_64.rpm

Red Hat Desktop version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/krb5-1.2.7-42.src.rpm
15e292d791e6cd5a788764374c32769e  krb5-1.2.7-42.src.rpm

i386:
8d2d653de75e0e90d9718043bb9ec2ea  krb5-devel-1.2.7-42.i386.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
02d15698839a4dca13a692567fdc3701  krb5-workstation-1.2.7-42.i386.rpm

x86_64:
c8f33f385c8b59f8088ba3938820f466  krb5-devel-1.2.7-42.x86_64.rpm
2d13ed5aad4c7910373cfd7399780e18  krb5-libs-1.2.7-42.x86_64.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
a00c82982864a159076c9f7548675ad9  krb5-workstation-1.2.7-42.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/krb5-1.2.7-42.src.rpm
15e292d791e6cd5a788764374c32769e  krb5-1.2.7-42.src.rpm

i386:
8d2d653de75e0e90d9718043bb9ec2ea  krb5-devel-1.2.7-42.i386.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
76a8c1d4048606e96b763b1cfd9e2862  krb5-server-1.2.7-42.i386.rpm
02d15698839a4dca13a692567fdc3701  krb5-workstation-1.2.7-42.i386.rpm

ia64:
d9486bd1ba6bf58fff0c33b8b54e10d1  krb5-devel-1.2.7-42.ia64.rpm
b8f7a412868eb4331b2ac371f2935bed  krb5-libs-1.2.7-42.ia64.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
e4f4267d02ac27da8963c4770c2d6ab7  krb5-server-1.2.7-42.ia64.rpm
a0eb9ccceccb1d777331ab1098ce24b8  krb5-workstation-1.2.7-42.ia64.rpm

x86_64:
c8f33f385c8b59f8088ba3938820f466  krb5-devel-1.2.7-42.x86_64.rpm
2d13ed5aad4c7910373cfd7399780e18  krb5-libs-1.2.7-42.x86_64.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
55efe49040a64af9f4368e1e6c02c758  krb5-server-1.2.7-42.x86_64.rpm
a00c82982864a159076c9f7548675ad9  krb5-workstation-1.2.7-42.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/krb5-1.2.7-42.src.rpm
15e292d791e6cd5a788764374c32769e  krb5-1.2.7-42.src.rpm

i386:
8d2d653de75e0e90d9718043bb9ec2ea  krb5-devel-1.2.7-42.i386.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
02d15698839a4dca13a692567fdc3701  krb5-workstation-1.2.7-42.i386.rpm

ia64:
d9486bd1ba6bf58fff0c33b8b54e10d1  krb5-devel-1.2.7-42.ia64.rpm
b8f7a412868eb4331b2ac371f2935bed  krb5-libs-1.2.7-42.ia64.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
a0eb9ccceccb1d777331ab1098ce24b8  krb5-workstation-1.2.7-42.ia64.rpm

x86_64:
c8f33f385c8b59f8088ba3938820f466  krb5-devel-1.2.7-42.x86_64.rpm
2d13ed5aad4c7910373cfd7399780e18  krb5-libs-1.2.7-42.x86_64.rpm
3f7f0d23cc9447241d17bf92aac52376  krb5-libs-1.2.7-42.i386.rpm
a00c82982864a159076c9f7548675ad9  krb5-workstation-1.2.7-42.x86_64.rpm

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/krb5-1.3.4-12.src.rpm
8d598c4fa4404470d6e45978aa47ba6b  krb5-1.3.4-12.src.rpm

i386:
68457cc2117214ab9b11405b964275db  krb5-devel-1.3.4-12.i386.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
dab0e8a818d3df2b028b3c39ba4daa52  krb5-server-1.3.4-12.i386.rpm
a12db77933dc920943d6316f7e470ccc  krb5-workstation-1.3.4-12.i386.rpm

ia64:
1e9eef4e781b54fe954442a427e4fdbe  krb5-devel-1.3.4-12.ia64.rpm
56686098f08e0b62bd1445977f7eba6d  krb5-libs-1.3.4-12.ia64.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
ebce3644ac1704157552d51b6a244565  krb5-server-1.3.4-12.ia64.rpm
67c5b06a01aa25b361926bca1c055c03  krb5-workstation-1.3.4-12.ia64.rpm

ppc:
261644c24300998a25c57d513fe08c6e  krb5-devel-1.3.4-12.ppc.rpm
b9663d67bb9b97657d41d870f63b276e  krb5-libs-1.3.4-12.ppc.rpm
7248e6793d04613a952422f828fe2cb7  krb5-libs-1.3.4-12.ppc64.rpm
2ea50dcbeb0124a71c1e3489fec583fa  krb5-server-1.3.4-12.ppc.rpm
40e4b837e731816630f653bc98e22530  krb5-workstation-1.3.4-12.ppc.rpm

s390:
9f759fb193a998a4f88a21ca77f0b1ab  krb5-devel-1.3.4-12.s390.rpm
cd50ea2c90966a8527e06d77b6c47913  krb5-libs-1.3.4-12.s390.rpm
99668163d062fb8f5bfad4654f444313  krb5-server-1.3.4-12.s390.rpm
d94e6fabfc7fd33c9208ce7d374c89e8  krb5-workstation-1.3.4-12.s390.rpm

s390x:
5aa3854179039c6cb73145084123a197  krb5-devel-1.3.4-12.s390x.rpm
968f3babf2058bc88b44c5907f029017  krb5-libs-1.3.4-12.s390x.rpm
cd50ea2c90966a8527e06d77b6c47913  krb5-libs-1.3.4-12.s390.rpm
7d191831a79c60f99b03c441ca771428  krb5-server-1.3.4-12.s390x.rpm
130b64761b996f24a57ffeb85e637002  krb5-workstation-1.3.4-12.s390x.rpm

x86_64:
bcf94a851223872e8fcd272a297dc3c2  krb5-devel-1.3.4-12.x86_64.rpm
ef7f66e2a911b6c9787ab2e0b87534fc  krb5-libs-1.3.4-12.x86_64.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
ee69869e21701b21cb73092d43e49009  krb5-server-1.3.4-12.x86_64.rpm
2edb7a1bfd9e102ace52fe8e90f84e6c  krb5-workstation-1.3.4-12.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/krb5-1.3.4-12.src.rpm
8d598c4fa4404470d6e45978aa47ba6b  krb5-1.3.4-12.src.rpm

i386:
68457cc2117214ab9b11405b964275db  krb5-devel-1.3.4-12.i386.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
dab0e8a818d3df2b028b3c39ba4daa52  krb5-server-1.3.4-12.i386.rpm
a12db77933dc920943d6316f7e470ccc  krb5-workstation-1.3.4-12.i386.rpm

x86_64:
bcf94a851223872e8fcd272a297dc3c2  krb5-devel-1.3.4-12.x86_64.rpm
ef7f66e2a911b6c9787ab2e0b87534fc  krb5-libs-1.3.4-12.x86_64.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
ee69869e21701b21cb73092d43e49009  krb5-server-1.3.4-12.x86_64.rpm
2edb7a1bfd9e102ace52fe8e90f84e6c  krb5-workstation-1.3.4-12.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/krb5-1.3.4-12.src.rpm
8d598c4fa4404470d6e45978aa47ba6b  krb5-1.3.4-12.src.rpm

i386:
68457cc2117214ab9b11405b964275db  krb5-devel-1.3.4-12.i386.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
dab0e8a818d3df2b028b3c39ba4daa52  krb5-server-1.3.4-12.i386.rpm
a12db77933dc920943d6316f7e470ccc  krb5-workstation-1.3.4-12.i386.rpm

ia64:
1e9eef4e781b54fe954442a427e4fdbe  krb5-devel-1.3.4-12.ia64.rpm
56686098f08e0b62bd1445977f7eba6d  krb5-libs-1.3.4-12.ia64.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
ebce3644ac1704157552d51b6a244565  krb5-server-1.3.4-12.ia64.rpm
67c5b06a01aa25b361926bca1c055c03  krb5-workstation-1.3.4-12.ia64.rpm

x86_64:
bcf94a851223872e8fcd272a297dc3c2  krb5-devel-1.3.4-12.x86_64.rpm
ef7f66e2a911b6c9787ab2e0b87534fc  krb5-libs-1.3.4-12.x86_64.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
ee69869e21701b21cb73092d43e49009  krb5-server-1.3.4-12.x86_64.rpm
2edb7a1bfd9e102ace52fe8e90f84e6c  krb5-workstation-1.3.4-12.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/krb5-1.3.4-12.src.rpm
8d598c4fa4404470d6e45978aa47ba6b  krb5-1.3.4-12.src.rpm

i386:
68457cc2117214ab9b11405b964275db  krb5-devel-1.3.4-12.i386.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
dab0e8a818d3df2b028b3c39ba4daa52  krb5-server-1.3.4-12.i386.rpm
a12db77933dc920943d6316f7e470ccc  krb5-workstation-1.3.4-12.i386.rpm

ia64:
1e9eef4e781b54fe954442a427e4fdbe  krb5-devel-1.3.4-12.ia64.rpm
56686098f08e0b62bd1445977f7eba6d  krb5-libs-1.3.4-12.ia64.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
ebce3644ac1704157552d51b6a244565  krb5-server-1.3.4-12.ia64.rpm
67c5b06a01aa25b361926bca1c055c03  krb5-workstation-1.3.4-12.ia64.rpm

x86_64:
bcf94a851223872e8fcd272a297dc3c2  krb5-devel-1.3.4-12.x86_64.rpm
ef7f66e2a911b6c9787ab2e0b87534fc  krb5-libs-1.3.4-12.x86_64.rpm
5ee63ae61d91fab567dedb7880fa648e  krb5-libs-1.3.4-12.i386.rpm
ee69869e21701b21cb73092d43e49009  krb5-server-1.3.4-12.x86_64.rpm
2edb7a1bfd9e102ace52fe8e90f84e6c  krb5-workstation-1.3.4-12.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://www.idefense.com/application/poi/display?id=220&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=221&type=vulnerabilities
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0468
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0469

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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