Updated krb5 packages that fix a security issue are now available for Red Hat Enterprise Linux 4. This update has been rated as having important security impact by the Red Hat Security Response Team.

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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: krb5 security update
Advisory ID:       RHSA-2009:0409-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2009:0409.html
Issue date:        2009-04-07
CVE Names:         CVE-2009-0846 
====================================================================
1. Summary:

Updated krb5 packages that fix a security issue are now available for Red
Hat Enterprise Linux 4.

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 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. Description:

Kerberos is a network authentication system which allows clients and
servers to authenticate to each other using symmetric encryption and a
trusted third party, the Key Distribution Center (KDC).

An input validation flaw was found in the ASN.1 (Abstract Syntax Notation
One) decoder used by MIT Kerberos. A remote attacker could use this flaw to
crash a network service using the MIT Kerberos library, such as kadmind or
krb5kdc, by causing it to dereference or free an uninitialized pointer.
(CVE-2009-0846)

All krb5 users should upgrade to these updated packages, which contain a
backported patch to correct this issue. All running services using the MIT
Kerberos libraries must be restarted for the update to take effect.

4. Solution:

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

This update is available via Red Hat Network.  Details on how to use
the Red Hat Network to apply this update are available at

5. Bugs fixed (http://bugzilla.redhat.com/):

491036 - CVE-2009-0846 krb5: ASN.1 decoder can free uninitialized pointer when decoding an invalid encoding (MITKRB5-SA-2009-002)

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:

i386:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-devel-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-server-1.3.4-60.el4_7.2.i386.rpm
krb5-workstation-1.3.4-60.el4_7.2.i386.rpm

ia64:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-debuginfo-1.3.4-60.el4_7.2.ia64.rpm
krb5-devel-1.3.4-60.el4_7.2.ia64.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.ia64.rpm
krb5-server-1.3.4-60.el4_7.2.ia64.rpm
krb5-workstation-1.3.4-60.el4_7.2.ia64.rpm

ppc:
krb5-debuginfo-1.3.4-60.el4_7.2.ppc.rpm
krb5-debuginfo-1.3.4-60.el4_7.2.ppc64.rpm
krb5-devel-1.3.4-60.el4_7.2.ppc.rpm
krb5-libs-1.3.4-60.el4_7.2.ppc.rpm
krb5-libs-1.3.4-60.el4_7.2.ppc64.rpm
krb5-server-1.3.4-60.el4_7.2.ppc.rpm
krb5-workstation-1.3.4-60.el4_7.2.ppc.rpm

s390:
krb5-debuginfo-1.3.4-60.el4_7.2.s390.rpm
krb5-devel-1.3.4-60.el4_7.2.s390.rpm
krb5-libs-1.3.4-60.el4_7.2.s390.rpm
krb5-server-1.3.4-60.el4_7.2.s390.rpm
krb5-workstation-1.3.4-60.el4_7.2.s390.rpm

s390x:
krb5-debuginfo-1.3.4-60.el4_7.2.s390.rpm
krb5-debuginfo-1.3.4-60.el4_7.2.s390x.rpm
krb5-devel-1.3.4-60.el4_7.2.s390x.rpm
krb5-libs-1.3.4-60.el4_7.2.s390.rpm
krb5-libs-1.3.4-60.el4_7.2.s390x.rpm
krb5-server-1.3.4-60.el4_7.2.s390x.rpm
krb5-workstation-1.3.4-60.el4_7.2.s390x.rpm

x86_64:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-debuginfo-1.3.4-60.el4_7.2.x86_64.rpm
krb5-devel-1.3.4-60.el4_7.2.x86_64.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.x86_64.rpm
krb5-server-1.3.4-60.el4_7.2.x86_64.rpm
krb5-workstation-1.3.4-60.el4_7.2.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:

i386:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-devel-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-server-1.3.4-60.el4_7.2.i386.rpm
krb5-workstation-1.3.4-60.el4_7.2.i386.rpm

x86_64:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-debuginfo-1.3.4-60.el4_7.2.x86_64.rpm
krb5-devel-1.3.4-60.el4_7.2.x86_64.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.x86_64.rpm
krb5-server-1.3.4-60.el4_7.2.x86_64.rpm
krb5-workstation-1.3.4-60.el4_7.2.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:

i386:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-devel-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-server-1.3.4-60.el4_7.2.i386.rpm
krb5-workstation-1.3.4-60.el4_7.2.i386.rpm

ia64:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-debuginfo-1.3.4-60.el4_7.2.ia64.rpm
krb5-devel-1.3.4-60.el4_7.2.ia64.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.ia64.rpm
krb5-server-1.3.4-60.el4_7.2.ia64.rpm
krb5-workstation-1.3.4-60.el4_7.2.ia64.rpm

x86_64:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-debuginfo-1.3.4-60.el4_7.2.x86_64.rpm
krb5-devel-1.3.4-60.el4_7.2.x86_64.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.x86_64.rpm
krb5-server-1.3.4-60.el4_7.2.x86_64.rpm
krb5-workstation-1.3.4-60.el4_7.2.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:

i386:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-devel-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-server-1.3.4-60.el4_7.2.i386.rpm
krb5-workstation-1.3.4-60.el4_7.2.i386.rpm

ia64:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-debuginfo-1.3.4-60.el4_7.2.ia64.rpm
krb5-devel-1.3.4-60.el4_7.2.ia64.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.ia64.rpm
krb5-server-1.3.4-60.el4_7.2.ia64.rpm
krb5-workstation-1.3.4-60.el4_7.2.ia64.rpm

x86_64:
krb5-debuginfo-1.3.4-60.el4_7.2.i386.rpm
krb5-debuginfo-1.3.4-60.el4_7.2.x86_64.rpm
krb5-devel-1.3.4-60.el4_7.2.x86_64.rpm
krb5-libs-1.3.4-60.el4_7.2.i386.rpm
krb5-libs-1.3.4-60.el4_7.2.x86_64.rpm
krb5-server-1.3.4-60.el4_7.2.x86_64.rpm
krb5-workstation-1.3.4-60.el4_7.2.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://access.redhat.com/security/team/key#package

7. References:

https://www.cve.org/CVERecord?id=CVE-2009-0846
https://access.redhat.com/security/updates/classification#important
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-002.txt

8. Contact:

The Red Hat security contact is .  More contact
details at https://access.redhat.com/security/team/contact

Copyright 2009 Red Hat, Inc.
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