A new update is available for Red Hat Enterprise Linux. Here the announcement:
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Red Hat Security Advisory
Synopsis: Important: openssl security update
Advisory ID: RHSA-2005:829-00
Advisory URL: https://rhn.redhat.com/errata/RHSA-2005-829.html
Issue date: 2005-11-02
Updated on: 2005-11-02
Product: Red Hat Enterprise Linux
CVE Names: CVE-2004-0079
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1. Summary:
Updated OpenSSL packages that fix a remote denial of service vulnerability
are now available for Red Hat Enterprise Linux 2.1
This update has been rated as having important security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386
Red Hat Enterprise Linux WS version 2.1 - i386
3. Problem description:
The OpenSSL toolkit implements Secure Sockets Layer (SSL v2/v3),
Transport Layer Security (TLS v1) protocols, and serves as a full-strength
general purpose cryptography library.
Testing performed by the OpenSSL group using the Codenomicon TLS Test Tool
uncovered a null-pointer assignment in the do_change_cipher_spec()
function. A remote attacker could perform a carefully crafted SSL/TLS
handshake against a server that uses the OpenSSL library in such a way as
to cause OpenSSL to crash. Depending on the server this could lead to a
denial of service. (CVE-2004-0079)
This issue was reported as not affecting OpenSSL versions prior to 0.9.6c,
and testing with the Codenomicon Test Tool showed that OpenSSL 0.9.6b as
shipped in Red Hat Enterprise Linux 2.1 did not crash. However, an
alternative reproducer has been written which shows that this issue does
affect versions of OpenSSL prior to 0.9.6c.
Users of OpenSSL are advised to upgrade to these updated packages, which
contain a patch provided by the OpenSSL group that protects against this issue.
NOTE: Because server applications are affected by this issue, users are
advised to either restart all services that use OpenSSL functionality or
restart their systems after installing these updates.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
5. Bug IDs fixed (http://bugzilla.redhat.com/):
172092 - CVE-2004-0079 OpenSSL remote DoS
6. RPMs required:
Red Hat Enterprise Linux AS (Advanced Server) version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/openssl-0.9.6b-42.src.rpm
5d3842e1c8c96b582868b7e78df6e068 openssl-0.9.6b-42.src.rpm
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/openssl095a-0.9.5a-28.src.rpm
cdec5ba64c9530f5d96ea6a3e61520e9 openssl095a-0.9.5a-28.src.rpm
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/openssl096-0.9.6-28.src.rpm
7c660c40b240fcad363586037ad4f51c openssl096-0.9.6-28.src.rpm
i386:
dc940cb4df552742d6c7d3fd9c5c9f03 openssl-0.9.6b-42.i386.rpm
09831ac8bbf5d1bbe22c0ead3d13df6d openssl-0.9.6b-42.i686.rpm
94bbc8a314bd892369ff750276c368ad openssl-devel-0.9.6b-42.i386.rpm
8270f82a34c0076248d1a5345c94f212 openssl-perl-0.9.6b-42.i386.rpm
f579bb9c0315c7e58050af57e69d0732 openssl095a-0.9.5a-28.i386.rpm
a19dce85b7090aec5392b6661c46c359 openssl096-0.9.6-28.i386.rpm
ia64:
648efec54ef4c0b7882758aa42ff06c5 openssl-0.9.6b-42.ia64.rpm
44a3f01e959b0d90ae4400164c5b1bbe openssl-devel-0.9.6b-42.ia64.rpm
6bdbd18626254156036ce14a5b424343 openssl-perl-0.9.6b-42.ia64.rpm
1e00b7e4fb4ac90f5459baabd638b635 openssl095a-0.9.5a-28.ia64.rpm
605647590985d7b470662007caf37e58 openssl096-0.9.6-28.ia64.rpm
Red Hat Linux Advanced Workstation 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/openssl-0.9.6b-42.src.rpm
5d3842e1c8c96b582868b7e78df6e068 openssl-0.9.6b-42.src.rpm
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/openssl095a-0.9.5a-28.src.rpm
cdec5ba64c9530f5d96ea6a3e61520e9 openssl095a-0.9.5a-28.src.rpm
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/openssl096-0.9.6-28.src.rpm
7c660c40b240fcad363586037ad4f51c openssl096-0.9.6-28.src.rpm
ia64:
648efec54ef4c0b7882758aa42ff06c5 openssl-0.9.6b-42.ia64.rpm
44a3f01e959b0d90ae4400164c5b1bbe openssl-devel-0.9.6b-42.ia64.rpm
6bdbd18626254156036ce14a5b424343 openssl-perl-0.9.6b-42.ia64.rpm
1e00b7e4fb4ac90f5459baabd638b635 openssl095a-0.9.5a-28.ia64.rpm
605647590985d7b470662007caf37e58 openssl096-0.9.6-28.ia64.rpm
Red Hat Enterprise Linux ES version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/openssl-0.9.6b-42.src.rpm
5d3842e1c8c96b582868b7e78df6e068 openssl-0.9.6b-42.src.rpm
i386:
dc940cb4df552742d6c7d3fd9c5c9f03 openssl-0.9.6b-42.i386.rpm
09831ac8bbf5d1bbe22c0ead3d13df6d openssl-0.9.6b-42.i686.rpm
94bbc8a314bd892369ff750276c368ad openssl-devel-0.9.6b-42.i386.rpm
8270f82a34c0076248d1a5345c94f212 openssl-perl-0.9.6b-42.i386.rpm
Red Hat Enterprise Linux WS version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/openssl-0.9.6b-42.src.rpm
5d3842e1c8c96b582868b7e78df6e068 openssl-0.9.6b-42.src.rpm
i386:
dc940cb4df552742d6c7d3fd9c5c9f03 openssl-0.9.6b-42.i386.rpm
09831ac8bbf5d1bbe22c0ead3d13df6d openssl-0.9.6b-42.i686.rpm
94bbc8a314bd892369ff750276c368ad openssl-devel-0.9.6b-42.i386.rpm
8270f82a34c0076248d1a5345c94f212 openssl-perl-0.9.6b-42.i386.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package
7. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0079
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2005 Red Hat, Inc.
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