[CLA-2002:541] Conectiva Linux Security Announcement - mod_ssl
Date: Wed, 30 Oct 2002 16:51:40 -0200
From: secure@conectiva.com.br
To: conectiva-updates@papaleguas.conectiva.com.br, lwn@lwn.net,
Subject: [CLA-2002:541] Conectiva Linux Security Announcement - mod_ssl
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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : mod_ssl
SUMMARY : Cross site scripting vulnerability in mod_ssl
DATE : 2002-10-30 16:50:00
ID : CLA-2002:541
RELEVANT
RELEASES : 6.0, 7.0, 8
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DESCRIPTION
"mod_ssl"[1] is a module for the Apache[2] web server which provides
cryptography support. This module is included by default in the
Apache package distributed with Conectiva Linux.
There is a cross site cripting vulnerability[3][4][5] in the mod_ssl
module. The "server name" field returned to the client was not being
filtered, which could lead to cross site scripting attacks if the
"UseCanonicalName" option is turned off (which is not the default)
and wildcard DNS is in use.
SOLUTION
All apache users should upgrade their packages.
IMPORTANT: it is necessary to manually restart the httpd server after
upgrading the packages if it was already running. In order to do
this, execute the following as root:
service httpd stop
(wait a few seconds and check with "ps ax|grep httpd" if there are
any httpd processes running. On a busy webserver this could take a
while)
service httpd start
REFERENCES
1. http://www.modssl.org
2. http://httpd.apache.org
3. http://www.mail-archive.com/modssl-users@modssl.org/msg15366.html
4. http://www.mail-archive.com/modssl-users@modssl.org/msg15368.html
5. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1157
DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/apache-1.3.26-1U60_5cl.src.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/apache-1.3.26-1U60_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/apache-devel-1.3.26-1U60_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/apache-doc-1.3.26-1U60_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/apache-1.3.26-1U70_8cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/apache-1.3.26-1U70_8cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/apache-devel-1.3.26-1U70_8cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/apache-doc-1.3.26-1U70_8cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/apache-1.3.26-1U80_5cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/apache-1.3.26-1U80_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/apache-devel-1.3.26-1U80_5cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/apache-doc-1.3.26-1U80_5cl.i386.rpm
ADDITIONAL INSTRUCTIONS
Users of Conectiva Linux version 6.0 or higher may use apt to perform
upgrades of RPM packages:
- add the following line to /etc/apt/sources.list if it is not there yet
(you may also use linuxconf to do this):
rpm [cncbr] ftp://atualizacoes.conectiva.com.br 6.0/conectiva updates
(replace 6.0 with the correct version number if you are not running CL6.0)
- 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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