[CLA-2003:727] Conectiva Security Announcement - sendmail

From: Conectiva Updates (secure_at_conectiva.com.br)
Date: 08/29/03

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    Date: Fri, 29 Aug 2003 17:25:39 -0300
To: conectiva-updates@papaleguas.conectiva.com.br, lwn@lwn.net, bugtraq@securityfocus.com, security-alerts@linuxsecurity.com, linsec@lists.seifried.org

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    CONECTIVA LINUX SECURITY ANNOUNCEMENT
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    PACKAGE : sendmail
    SUMMARY : Remote vulnerability
    DATE : 2003-08-29 17:25:00
    ID : CLA-2003:727
    RELEVANT
    RELEASES : 9

    - -------------------------------------------------------------------------

    DESCRIPTION
     Sendmail[1] is a widely used Mail Transfer Agent (MTA).
     
     Sendmail versions 8.12.8 and before (but only of the 8.12.x branch)
     have a remote vulnerability[2] related to DNS maps. If such maps are
     being used, invalid DNS responses will make sendmail attempt to free
     incorrect memory areas, usually resulting in a crash. It has not been
     determined whether this vulnerability can be used to execute remote
     commands or not.
     
     The packages supplied via this update contain a patch[3] to fix this
     vulnerability.

    SOLUTION
     It is recommended that all sendmail users upgrade their packages.
     After the upgrade, the sendmail service will automatically be
     restarted if it was already running before.
     
     
     REFERENCES
     1. http://www.sendmail.org/
     2. http://cve.mitre.org/cgi-bin/cvename.cgi?name=2003-0688
     3. http://www.sendmail.org/dnsmap1.html

    UPDATED PACKAGES
    ftp://atualizacoes.conectiva.com.br/9/SRPMS/sendmail-8.12.5-26986U90_2cl.src.rpm
    ftp://atualizacoes.conectiva.com.br/9/RPMS/sendmail-8.12.5-26986U90_2cl.i386.rpm
    ftp://atualizacoes.conectiva.com.br/9/RPMS/sendmail-cf-8.12.5-26986U90_2cl.i386.rpm
    ftp://atualizacoes.conectiva.com.br/9/RPMS/sendmail-doc-8.12.5-26986U90_2cl.i386.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

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    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

    - -------------------------------------------------------------------------
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