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Date: Mon, 11 Aug 2003 18:48:03 -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-2003:720] Conectiva Security Announcement - lynx -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - -------------------------------------------------------------------------- CONECTIVA LINUX SECURITY ANNOUNCEMENT - -------------------------------------------------------------------------- PACKAGE : lynx SUMMARY : CRLF injection local vulnerability DATE : 2003-08-11 18:47:00 ID : CLA-2003:720 RELEVANT RELEASES : 7.0, 8 - ------------------------------------------------------------------------- DESCRIPTION Lynx is a text terminal based web browser. Ulf Harnhammar reported[1] a CRLF (Carriage Return, Line Feed) injection vulnerability in lynx. When handling a URL supplied through the command line, lynx does not filter out characters such as spaces, CR, LF, etc, which allows an attacker to inject HTTP headers and cause program misbehavior[2] by using a specially crafted URL. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2002-1405 to this issue[3]. The package distributed with Conectiva Linux 9 (lynx-2.8.4-25963cl) already contains a fix and is not vulnerable to this problem. SOLUTION All lynx users should upgrade. REFERENCES: 1.http://marc.theaimsgroup.com/?l=bugtraq&m=102978118411977&w=2 2.http://marc.theaimsgroup.com/?l=bugtraq&m=103003793418021&w=2 3.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1405 UPDATED PACKAGES ftp://atualizacoes.conectiva.com.br/7.0/RPMS/lynx-2.8.4-1U70_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/7.0/RPMS/lynx-doc-2.8.4-1U70_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/lynx-2.8.4-1U70_1cl.src.rpm ftp://atualizacoes.conectiva.com.br/8/RPMS/lynx-2.8.4-4U80_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/8/RPMS/lynx-doc-2.8.4-4U80_1cl.i386.rpm ftp://atualizacoes.conectiva.com.br/8/SRPMS/lynx-2.8.4-4U80_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/OA8S42jd0JmAcZARAii3AKDZidansYEKYf8xSJc4pxAcLuIb8wCfVrx+ h8yMrRGfIyQi9Pm+pmtlyW4= =DXVd -----END PGP SIGNATURE-----
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