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Date: Thu, 6 May 2004 18:21:06 -0300 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-2004:840] Conectiva Security Announcement - lha -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - -------------------------------------------------------------------------- CONECTIVA LINUX SECURITY ANNOUNCEMENT - -------------------------------------------------------------------------- PACKAGE : lha SUMMARY : Buffer overflow and directory traversal vulnerabilities DATE : 2004-05-06 18:20:00 ID : CLA-2004:840 RELEVANT RELEASES : 8, 9 - ------------------------------------------------------------------------- DESCRIPTION Lha is an archiving and compression utility for LHarc format archives. Ulf Härnhammar discovered a buffer overflow[1] and a directory traversal [2]vulnerability in the lha utility. Both vulnerabilities can be exploited by an attacker with the use of specially crafted LHarc archives. When processed by lha, these files may cause it to execute arbitrary code (exploiting the buffer overflow vulnerability) or overwrite arbitrary files if the user unpacking the malicious archive has sufficient filesystem permissions to do so (exploiting the directory traversal vulnerability). This update fixes both issues. SOLUTION All users of the lha utility should upgrade. REFERENCES: 1.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0234 2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0235 UPDATED PACKAGES ftp://atualizacoes.conectiva.com.br/8/RPMS/lha-1.14i-2U80_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/8/SRPMS/lha-1.14i-2U80_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/9/RPMS/lha-1.14i-8382U90_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/9/SRPMS/lha-1.14i-8382U90_1cl.src.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 iD8DBQFAmqxB42jd0JmAcZARAnFuAJ4vNF1BtKwnj+gPNkbJX9uDd8R8cACgn/m2 0Zdnd2yki0ohO0H2oIKkoNE= =CoA6 -----END PGP SIGNATURE-----
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