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Date: Wed, 29 Oct 2003 16:47:24 -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-2003:773] Conectiva Security Announcement - libnids -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - -------------------------------------------------------------------------- CONECTIVA LINUX SECURITY ANNOUNCEMENT - -------------------------------------------------------------------------- PACKAGE : libnids SUMMARY : Remotely exploitable buffer overflow vulnerability DATE : 2003-10-29 16:46:00 ID : CLA-2003:773 RELEVANT RELEASES : 7.0, 8, 9 - ------------------------------------------------------------------------- DESCRIPTION Libnids[1] is an implementation of an E-component of Network Intrusion Detection Systems. It emulates the IP stack of the Linux kernel 2.0.x. Robert Watson found a buffer overflow vulnerability in the code responsible for TCP reassembly of libnids. A remote attacker may potentially exploit this vulnerability to execute arbitrary code in the context of the application using this functionality of libnids. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2003-0850[2] to this issue. The problem has been fixed in libnids 1.18[3], which is included with this update. Also included with this update are new packages of dsniff, the only project which uses libnids in Conectiva Linux. SOLUTION All libnids users should upgrade. REFERENCES 1.http://libnids.sourceforge.net 2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0850 3.http://sourceforge.net/project/shownotes.php?release_id=191323 UPDATED PACKAGES ftp://atualizacoes.conectiva.com.br/7.0/RPMS/dsniff-2.3-4U70_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libnids-1.18-1U70_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libnids-devel-1.18-1U70_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libnids-devel-static-1.18-1U70_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/dsniff-2.3-4U70_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/libnids-1.18-1U70_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/8/RPMS/dsniff-2.3-7U80_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/8/RPMS/dsniff-webspy-2.3-7U80_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/8/RPMS/libnids-1.18-1U80_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/8/RPMS/libnids-devel-1.18-1U80_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/8/RPMS/libnids-devel-static-1.18-1U80_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/8/SRPMS/dsniff-2.3-7U80_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/8/SRPMS/libnids-1.18-1U80_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/9/RPMS/dsniff-2.3-24591U90_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/9/RPMS/dsniff-webspy-2.3-24591U90_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/9/RPMS/libnids-1.18-8448U90_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/9/RPMS/libnids-devel-1.18-8448U90_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/9/RPMS/libnids-devel-static-1.18-8448U90_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/9/SRPMS/dsniff-2.3-24591U90_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/9/SRPMS/libnids-1.18-8448U90_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 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 - ------------------------------------------------------------------------- Copyright (c) 2003 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 iD8DBQE/oAs742jd0JmAcZARArcFAKDIpoDL7qZOZ1o7zaQY/lUZHUESwACgh4e4 VJ3zshaa2n+f1/DMDHcJaSs= =zwYD -----END PGP SIGNATURE-----
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