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From: secure@conectiva.com.br To: conectiva-updates@papaleguas.conectiva.com.br, lwn@lwn.net, bugtraq@securityfocus.com, security-alerts@linuxsecurity.com Subject: [CLA-2002:453] Conectiva Linux Security Announcement - xchat Date: Fri, 18 Jan 2002 11:06:46 -0200 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - -------------------------------------------------------------------------- CONECTIVA LINUX SECURITY ANNOUNCEMENT - -------------------------------------------------------------------------- PACKAGE : xchat SUMMARY : DATE : 2002-01-18 11:05:00 ID : CLA-2002:453 RELEVANT RELEASES : 5.0, prg graficos, ecommerce, 5.1, 6.0, 7.0 - ------------------------------------------------------------------------- DESCRIPTION XChat is a graphical IRC client available in most linux distributions. zen-parse discovered[1] a vulnerability in the xchat CTCP PING handler which could be exploited by an attacker to trick the xchat IRC user into sending arbitrary IRC commands to the server (a typical example is a command to give channel operator status to the attacker). SOLUTION All xchat users should upgrade. Notice that CL 7.0 (xchat 1.7.7) users are not vulnerable by default since the configuration variable "percascii" which controls the vulnerable feature is set to 0. REFERENCES: 1.http://www.securityfocus.com/archive/1/249113 DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES ftp://atualizacoes.conectiva.com.br/5.0/SRPMS/xchat-1.4.2-5U50_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/5.0/i386/xchat-1.4.2-5U50_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/5.1/SRPMS/xchat-1.4.2-5U51_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/5.1/i386/xchat-1.4.2-5U51_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/xchat-1.4.3-8U60_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/6.0/RPMS/xchat-1.4.3-8U60_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/xchat-1.8.7-1U70_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/7.0/RPMS/xchat-1.8.7-1U70_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/7.0/RPMS/xchat-gtk-1.8.7-1U70_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/SRPMS/xchat-1.4.2-5U50_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/xchat-1.4.2-5U50_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/SRPMS/xchat-1.4.2-5U50_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/xchat-1.4.2-5U50_1cl.i386.rpm ADDITIONAL INSTRUCTIONS Users of Conectiva Linux version 6.0 or higher may use apt to perform upgrades of RPM packages: - add the following line to /etc/apt/sources.list if it is not there yet (you may also use linuxconf to do this): rpm [cncbr] ftp://atualizacoes.conectiva.com.br 6.0/conectiva updates (replace 6.0 with the correct version number if you are not running CL6.0) - run: apt-get update - after that, execute: apt-get upgrade Detailed instructions reagarding 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 - ------------------------------------------------------------------------- subscribe: conectiva-updates-subscribe@papaleguas.conectiva.com.br unsubscribe: conectiva-updates-unsubscribe@papaleguas.conectiva.com.br -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE8SB3l42jd0JmAcZARAiG3AJ0aQOWjmxzpY5cA1Dud0LiG07kHTwCg6THW d30Qmr39z6aFx8UfWvpuj/0= =32/x -----END PGP SIGNATURE-----