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______________________________________________________________________________

SUSE Security Summary Report

Announcement ID: SUSE-SR:2006:003
Date: Fri, 03 Feb 2006 12:00:00 +0000
Cross-References: CVE-2004-0990, CVE-2005-2798, CVE-2005-4501
CVE-2005-4591, CVE-2005-4592, CVE-2006-0322

Content of this advisory:
1) Solved Security Vulnerabilities:
- SUSE Linux 9.0 discontinued
- openssh GSSAPI problem
- gd integer overflows
- mediawiki problems
- bogofilter buffer overflows
2) Pending Vulnerabilities, Solutions, and Work-Arounds:
- various kernel security issues
3) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Solved Security Vulnerabilities

To avoid flooding mailing lists with SUSE Security Announcements for minor
issues, SUSE Security releases weekly summary reports for the low profile
vulnerability fixes. The SUSE Security Summary Reports do not list md5 sums
or download URLs like the SUSE Security Announcements that are released for
more severe vulnerabilities.

Fixed packages for the following incidents are already available on our FTP
server and via the YaST Online Update.

- SUSE Linux 9.0 discontinued
As previously announced, we have now discontinued SUSE Linux 9.0.

It has received its final security update a week ago (phpMyAdmin).

Next product to be discontinued: SUSE Linux 9.1, end of June 2006.

- openssh GSSAPI problem

This update of openssh fixes an information disclosure bug in
the sshd server. If option GSSAPIDelegateCredentials is enabled,
it could happen that credentials are send to users that are using
non-GSSAPI methods for authentication. (CVE-2005-2798)

The option is not enabled by default in SUSE Linux.

This affects SUSE Linux 9.2 up to 10.0 and SUSE Linux Enterprise
Server 9.

- gd integer overflows

Some integer overflows were fixed in the image manipulation /
creation library GD that may be exploited to execute arbitrary code.
(Old patch was missing upstream.)

This is tracked by the Mitre CVE ID CVE-2004-0990.

All SUSE Linux based products are affected.

- MediaWiki problems

Two problems were fixed in MediaWiki:

- Several cross-site-scripting bugs (CVE-2005-4501)
- Certain links could lead to denial of service (CVE-2006-0322)

This problem affects SUSE Linux 9.3 and 10.0.

- bogofilter buffer overflows

The Bayes based filter bogofilter was updated to fix following
security problems:
- Decoding Unicode sequences could overflow a heap buffer (CVE-2005-4591).
- Very long lines could overflow a heap buffer (CVE-2005-4592).

This problem only affects SUSE Linux 9.3 and 10.0.
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

- Kernel security issues

Various kernel security issues are known and we will start preparing
updates soon.

The next kernel update will probably be available mid of February.
______________________________________________________________________________

3) Authenticity Verification and Additional Information

- Announcement authenticity verification:

SUSE security announcements are published via mailing lists and on Web
sites. The authenticity and integrity of a SUSE security announcement is
guaranteed by a cryptographic signature in each announcement. All SUSE
security announcements are published with a valid signature.

To verify the signature of the announcement, save it as text into a file
and run the command

gpg --verify <file>

replacing <file> with the name of the file containing the announcement.
The output for a valid signature looks like:

gpg: Signature made <DATE> using RSA key ID 3D25D3D9
gpg: Good signature from "SuSE Security Team <security@suse.de>"

where <DATE> is replaced by the date the document was signed.

If the security team's key is not contained in your key ring, you can
import it from the first installation CD. To import the key, use the
command

gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc

- Package authenticity verification:

SUSE update packages are available on many mirror FTP servers all over the
world. While this service is considered valuable and important to the free
and open source software community, the authenticity and integrity of a
package needs to be verified to ensure that it has not been tampered with.

The internal RPM package signatures provide an easy way to verify the
authenticity of an RPM package. Use the command

rpm -v --checksig <file.rpm>

to verify the signature of the package, replacing <file.rpm> with the
filename of the RPM package downloaded. The package is unmodified if it
contains a valid signature from build@suse.de with the key ID 9C800ACA.

This key is automatically imported into the RPM database (on RPMv4-based
distributions) and the gpg key ring of 'root' during installation. You can
also find it on the first installation CD and included at the end of this
announcement.

- SUSE runs two security mailing lists to which any interested party may
subscribe:

suse-security@suse.com
- General Linux and SUSE security discussion.
All SUSE security announcements are sent to this list.
To subscribe, send an e-mail to
<suse-security-subscribe@suse.com>.

suse-security-announce@suse.com
- SUSE's announce-only mailing list.
Only SUSE's security announcements are sent to this list.
To subscribe, send an e-mail to
<suse-security-announce-subscribe@suse.com>.

For general information or the frequently asked questions (FAQ)
send mail to <suse-security-info@suse.com> or
<suse-security-faq@suse.com>.

=====================================================================
SUSE's security contact is <security@suse.com> or <security@suse.de>.
The <security@suse.de> public key is listed below.
=====================================================================
______________________________________________________________________________

The information in this advisory may be distributed or reproduced,
provided that the advisory is not modified in any way. In particular, the
clear text signature should show proof of the authenticity of the text.

SUSE Linux Products GmbH provides no warranties of any kind whatsoever
with respect to the information contained in this security advisory.

Type Bits/KeyID Date User ID
pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security@suse.de>
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>

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