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Date: Thu, 13 Jan 2005 11:56:32 -0200 From: Conectiva Updates <secure@...ectiva.com.br> To: conectiva-updates@...aleguas.conectiva.com.br, lwn@....net, bugtraq@...urityfocus.com, security-alerts@...uxsecurity.com, linsec@...ts.seifried.org Subject: [CLA-2005:917] Conectiva Security Announcement - krb5 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - -------------------------------------------------------------------------- CONECTIVA LINUX SECURITY ANNOUNCEMENT - -------------------------------------------------------------------------- PACKAGE : krb5 SUMMARY : Fix for buffer overflow in libkadm5srv DATE : 2005-01-13 11:56:00 ID : CLA-2005:917 RELEVANT RELEASES : 9, 10 - ------------------------------------------------------------------------- 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 - ------------------------------------------------------------------------- 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 - ------------------------------------------------------------------------- All our advisories and generic update instructions can be viewed at http://distro.conectiva.com.br/atualizacoes/?idioma=en - ------------------------------------------------------------------------- Copyright (c) 2004 Conectiva Inc. http://www.conectiva.com - ------------------------------------------------------------------------- subscribe: conectiva-updates-subscribe@...aleguas.conectiva.com.br unsubscribe: conectiva-updates-unsubscribe@...aleguas.conectiva.com.br -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQFB5n4P42jd0JmAcZARAufhAJ9Qk3MYg3B2WqDBhqQW5jWijjEe8wCfegBK BEDm+Xa9SFzQfs/ebpI4pvI= =DQRK -----END PGP SIGNATURE-----
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