[CLA-2005:917] Conectiva Security Announcement - krb5
Date: Thu, 13 Jan 2005 11:56:32 -0200
To: [email protected], [email protected],
Subject: [CLA-2005:917] Conectiva Security Announcement - krb5
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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : krb5
SUMMARY : Fix for buffer overflow in libkadm5srv
DATE : 2005-01-13 11:56:00
ID : CLA-2005:917
RELEVANT
RELEASES : 9, 10
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DESCRIPTION
The "krb5" packages are MIT's[1] implementation of the Kerberos 5
authentication protocol.
Michael Tautschnig noticed that the MIT Kerberos 5 administration
library (libkadm5srv) contains a heap buffer overflow[2] in password
history handling code which could be exploited by an authenticated
user to execute arbitrary code on a Key Distribution Center (KDC)
host.
For further information about this vulnerability, please refer to MIT
krb5 Security Advisory 2004-004[3].
SOLUTION
It is recommended that all Kerberos users in Conectiva Linux upgrade
their packages. Please note that the service will be automatically
restarted after the upgrade if it was already running.
Several applications can make use of the Kerberos libraries. Those
applications have to be restarted as well.
REFERENCES
1.http://web.mit.edu/Kerberos/www/index.html
2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1189
3.http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2004-004-pwhist.txt
UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/10/SRPMS/krb5-1.3.3-62470U10_3cl.src.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/krb5-1.3.3-62470U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/krb5-apps-clients-1.3.3-62470U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/krb5-apps-servers-1.3.3-62470U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/krb5-client-1.3.3-62470U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/krb5-devel-1.3.3-62470U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/krb5-devel-static-1.3.3-62470U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/krb5-doc-1.3.3-62470U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/krb5-server-1.3.3-62470U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/krb5-1.2.7-28721U90_4cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/krb5-1.2.7-28721U90_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/krb5-apps-clients-1.2.7-28721U90_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/krb5-apps-servers-1.2.7-28721U90_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/krb5-client-1.2.7-28721U90_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/krb5-devel-1.2.7-28721U90_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/krb5-devel-static-1.2.7-28721U90_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/krb5-doc-1.2.7-28721U90_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/krb5-server-1.2.7-28721U90_4cl.i386.rpm
ADDITIONAL INSTRUCTIONS
The apt tool can be used to perform RPM packages upgrades:
- run: apt-get update
- after that, execute: apt-get upgrade
Detailed instructions regarding the use of apt and upgrade examples
can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en
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All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en
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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en
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Copyright (c) 2004 Conectiva Inc.
http://www.conectiva.com
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