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______________________________________________________________________________

SUSE Security Summary Report

Announcement ID: SUSE-SR:2005:029
Date: Fri, 09 Dec 2005 16:00:00 +0000
Cross-References: CVE-2005-3191, CVE-2005-3192, CVE-2005-3193

Content of this advisory:
1) Solved Security Vulnerabilities:
- php4 / php5 security update broken
- mediawiki

2) Pending Vulnerabilities, Solutions, and Work-Arounds:
- Kernel updates
- xpdf various integer overflow problems
- perl denial of service and potential code execution
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.

- php4 / php5 security update broken

We released a security update for PHP 4 and PHP 5 for all SUSE
Linux based products.

This update is broken when PHP applications are used together with
the Apache "mod_rewrite" module.

Several QA failures and recheck-ins are still delaying a fixed
update for this problem, we are however confident that we can
release updated packages on either Monday or Tuesday.

- MediaWiki

MediaWiki was updated to fix further Internet Explorer Javascript
insertion flaws.

This affects only SUSE Linux 9.3 and 10.0.

We are not affected by the User language remote script insertion
problems, since we are not shipping MediaWiki 1.5 currently, only
1.4.x versions are shipped.
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

- Kernel updates

We are currently preparing kernel security and bugfix updates for
all our products.

A SUSE Linux 10.0 kernel update was released on Monday, the other
updates will follow next week.

The updates will be separately announced.

- xpdf various integer overflow problems

Various integer overflows in xpdf and programs using xpdf code
potentially allows to execute arbitrary code via specially crafted
PDF files.

This is tracked by the Mitre CVE IDs CVE-2005-3191, CVE-2005-3192
and CVE-2005-3193.

Affected are the packages: xpdf, gpdf, koffice-wordprocessing,
pdftohtml, kdegraphics3-pdf, tetex, poppler, libextractor, cups on
all SUSE Linux based products.

We are waiting for final patches and have started preparing updates.

- perl denial of service and potential code execution

perl scripts that allow user supplied format strings to printf style
perl functions can be used to either crash the perl interpreter or to
possibly execute code by preparing a specially crafted format string.

We are coordinating patches with the perl porters team before
going ahead with the updates.

All SUSE Linux based products are affected.
______________________________________________________________________________

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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