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[CLA-2004:890] Conectiva Security Announcement - libxml2



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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : libxml2
SUMMARY   : Fixes for libxml2 buffer overflow vulnerabilities
DATE      : 2004-11-18 09:20:00
ID        : CLA-2004:890
RELEVANT
RELEASES  : 9, 10

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DESCRIPTION
 The XML C library[1] (libxml2) is used by many programs to load and
 save extensible data structures or to manipulate several kinds of XML
 files.
 
 This update fixes a buffer overflow vulnerability[2,3] in the URI
 parsing code found by "infamous41md" at the nanoftp and nanohttp
 modules of libxml2. An attacker may exploit this vulnerability to
 execute arbitrary code with the privileges of the user running an
 affected application. Depending of the scenario where this
 application is used, this vulnerability can be remotely exploitable.


SOLUTION
 It is recommended that all libxml/libxml2 users upgrade their
 packages.
 
 
 REFERENCES
 1.http://xmlsoft.org
 2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0989
 3.http://www.securityfocus.com/archive/1/379383


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/10/SRPMS/libxml-1.8.17-58912U10_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/10/SRPMS/libxml2-2.6.9-57970U10_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libxml-1.8.17-58912U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libxml-devel-1.8.17-58912U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libxml-devel-static-1.8.17-58912U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libxml-doc-1.8.17-58912U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libxml2-2.6.9-57970U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libxml2-devel-2.6.9-57970U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libxml2-devel-static-2.6.9-57970U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libxml2-doc-2.6.9-57970U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libxml2-python-2.6.9-57970U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/libxml-1.8.17-12238U90_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libxml-1.8.17-12238U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libxml-devel-1.8.17-12238U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libxml-devel-static-1.8.17-12238U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libxml-doc-1.8.17-12238U90_1cl.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 regarding 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

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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

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Copyright (c) 2004 Conectiva Inc.
http://www.conectiva.com

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