-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - -------------------------------------------------------------------------- CONECTIVA LINUX SECURITY ANNOUNCEMENT - -------------------------------------------------------------------------- PACKAGE : tar/unzip SUMMARY : Directory transversal vulnerabilities DATE : 2002-10-29 20:11:00 ID : CLA-2002:538 RELEVANT RELEASES : 6.0, 7.0, 8 - ------------------------------------------------------------------------- DESCRIPTION tar and unzip are programs widely used for distribution of multiple files concatenated (commonly known as an "archive"). Both tar and unzip have directory transversal vulnerabilities in the way they extract filenames containning ".." or "/" characteres at the beginning. By exploiting these vulnerabilities, a malicious user can overwrite arbitrary files if the user unpacking such an archive has sufficient filesystem permissions to do so. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the names CAN-2001-1267, CAN-2001-1268, CAN-2001-1269 and CAN-2002-0399 to this issue. SOLUTION All users should upgrade. * Important note for Conectiva Linux 6.0 users: In the version of tar distributed with Conectiva Linux 6.0 the command line option used to enable bzip2 compression was '-I'. It was changed to '-j' in recent versions (including the one of this update). REFERENCES: 1.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-1267 2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-1268 3.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-1269 4.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0399 DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES ftp://atualizacoes.conectiva.com.br/6.0/RPMS/tar-1.13.25-1U60_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/6.0/RPMS/unzip-5.50-1U60_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/tar-1.13.25-1U60_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/unzip-5.50-1U60_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/7.0/RPMS/tar-1.13.25-1U70_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/7.0/RPMS/unzip-5.50-1U70_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/tar-1.13.25-1U70_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/unzip-5.50-1U70_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/8/RPMS/tar-1.13.25-2U80_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/8/RPMS/unzip-5.50-1U80_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/8/SRPMS/tar-1.13.25-2U80_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/8/SRPMS/unzip-5.50-1U80_1cl.src.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-subscribeat_private unsubscribe: conectiva-updates-unsubscribeat_private -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE9vwe942jd0JmAcZARAp5uAJ0a4kAehNkkNY0QClhvkgwhFM3wswCdGF9L YoGJjDTHPIGWvvUmG9UgxVE= =XPRr -----END PGP SIGNATURE-----
This archive was generated by hypermail 2b30 : Wed Nov 06 2002 - 22:18:09 PST