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TUCoPS :: Web :: Apache :: bt1643.txt

apache 2 vulns





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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : apache
SUMMARY   : Fix for some vulnerabilities
DATE      : 2003-11-05 19:18:00
ID        : CLA-2003:775
RELEVANT
RELEASES  : 7.0, 8, 9

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DESCRIPTION
 Apache[1] is the most popular webserver in use today.
 
 New versions of the Apache web server have been made available[2][3]
 with the following security fixes:
 
 1. Buffer overflow in mod_alias and mod_rewrite (CAN-2003-0542) [4]
 A buffer overflow could occur in mod_alias and mod_rewrite when a
 regular expression with more than 9 captures is configured. Users who
 can create or modify configuration files (httpd.conf or .htaccess,
 for example) could trigger this. This vulnerability affects Apache
 1.3.x and Apache 2.0.x.
 
 2. mod_cgid mishandling of CGI redirect paths (CAN-2003-0789) [5]
 mod_cgid mishandling of CGI redirect paths could result in CGI output
 going to the wrong client when a threaded MPM is used. The packages
 provided with Conectiva Linux 9 are not vulnerable to this issue
 because  they are not compiled with that MPM, but the fix has been
 included because new packages for Conectiva Linux 9 were already
 being built for the suexec problem (see below).
 
 In addition to the above security fixes, "suexec" has been correctly
 built in the Conectiva Linux 9 packages, fixing[6] the problem where
 CGI scripts could not be run from the user's home directory.


SOLUTION
 It is recommended that all Apache users upgrade their packages.
 
 IMPORTANT: it is necessary to manually restart the httpd server after
 upgrading the packages. In order to do this, execute the following as
 root:
 
 service httpd stop
 
 (wait a few seconds and check with "pidof httpd" if there are any
 httpd processes running. On a busy webserver this could take a little
 longer)
 
 service httpd start
 
 
 REFERENCES
 1. http://apache.httpd.org/
 2. http://www.apache.org/dist/httpd/Announcement2.html
 3. http://www.apache.org/dist/httpd/Announcement.html
 4. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0542
 5. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0789
 6. http://bugzilla.conectiva.com.br/show_bug.cgi?id=8754 (pt_BR only)


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/apache-1.3.28-1U70_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/apache-1.3.28-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/apache-devel-1.3.28-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/apache-doc-1.3.28-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/apache-1.3.28-1U80_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/apache-1.3.28-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/apache-devel-1.3.28-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/apache-doc-1.3.28-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/apache-2.0.45-28790U90_5cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-2.0.45-28790U90_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-devel-2.0.45-28790U90_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-doc-2.0.45-28790U90_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-htpasswd-2.0.45-28790U90_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libapr-devel-2.0.45-28790U90_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libapr-devel-static-2.0.45-28790U90_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libapr0-2.0.45-28790U90_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/mod_auth_ldap-2.0.45-28790U90_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/mod_dav-2.0.45-28790U90_5cl.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

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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) 2003 Conectiva Inc.
http://www.conectiva.com

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subscribe: conectiva-updates-subscribe@papaleguas.conectiva.com.br
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