(Conectiva Issues Fix) Apache mod_ssl SSLCipherSuite Directive Can By Bypassed in Certain Cases
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SecurityTracker Alert ID: 1012088 |
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SecurityTracker URL: http://securitytracker.com/id/1012088
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CVE Reference:
CAN-2004-0885
(Links to External Site)
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Date: Nov 5 2004
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Impact:
Host/resource access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Description:
A vulnerability was reported in Apache mod_ssl when in a certain configuration. A remote user may be able to bypass the SSLCipherSuite directive settings.
It is reported that when the "SSLCipherSuite" directive is used in a directory or location context to require a restricted set of cipher suites, a remote user may be able to access the directory or location using any permitted cipher suites.
According to Red Hat, the vulnerable configuration is "fairly rare and uncommon."
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Impact:
A remote user may be able to access a directory or location using any permitted cipher suites instead of the ones specified by the SSLCipherSuite directory.
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Solution:
Conectiva has released a fix.
ftp://atualizacoes.conectiva.com.br/10/SRPMS/apache-2.0.49-61251U10_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/apache-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/apache-devel-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/apache-doc-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/apache-htpasswd-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libapr-devel-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libapr-devel-static-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libapr0-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/mod_auth_ldap-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/mod_dav-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/apache-2.0.45-28790U90_9cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-devel-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-doc-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-htpasswd-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libapr-devel-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libapr-devel-static-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libapr0-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/mod_auth_ldap-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/mod_dav-2.0.45-28790U90_9cl.i386.rpm
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Vendor URL: www.modssl.org/ (Links to External Site)
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Cause:
State error
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Underlying OS:
Linux (Conectiva)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Thu, 4 Nov 2004 13:02:22 -0200
Subject: [Conectiva-updates] [CLA-2004:885] Conectiva Security Announcement
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
- --------------------------------------------------------------------------
CONECTIVA LINUX SECURITY ANNOUNCEMENT
- --------------------------------------------------------------------------
PACKAGE : apache
SUMMARY : Fix for mod_ssl vulnerability
DATE : 2004-11-04 12:47:00
ID : CLA-2004:885
RELEVANT
RELEASES : 9, 10
- -------------------------------------------------------------------------
DESCRIPTION
Apache[1] is the most popular webserver in use today.
An issue[2] in the mod_ssl module was reported[3] by Hartmut Keil.
When a particular location is configured to require a specific set of
cipher suites through the "SSLCipherSuite" directive in its directory
or location context, a client could be able to access that location
using any cipher suite allowed by the virtual host configuration.
SOLUTION
It is recommended that all Apache users upgrade their packages.
REFERENCES
1.http://apache.httpd.org/
2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0885
3.http://issues.apache.org/bugzilla/show_bug.cgi?id=31505
UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/10/SRPMS/apache-2.0.49-61251U10_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/apache-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/apache-devel-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/apache-doc-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/apache-htpasswd-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libapr-devel-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libapr-devel-static-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libapr0-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/mod_auth_ldap-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/mod_dav-2.0.49-61251U10_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/apache-2.0.45-28790U90_9cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-devel-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-doc-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/apache-htpasswd-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libapr-devel-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libapr-devel-static-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libapr0-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/mod_auth_ldap-2.0.45-28790U90_9cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/mod_dav-2.0.45-28790U90_9cl.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
- -------------------------------------------------------------------------
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) 2004 Conectiva Inc.
http://www.conectiva.com
- -------------------------------------------------------------------------
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unsubscribe: conectiva-updates-unsubscribe@papaleguas.conectiva.com.br
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