SUSE Security Summary Report SUSE-SR:2007:003
Posted on: 02/16/2007 03:40 PM

A security announcement from SUSE

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______________________________________________________________________________

SUSE Security Summary Report

Announcement ID: SUSE-SR:2007:003
Date: Fri, 16 Feb 2007 16:00:00 +0000
Cross-References: CVE-2006-5456, CVE-2006-5867, CVE-2006-5974
CVE-2007-0003, CVE-2007-0104, CVE-2007-0619
CVE-2007-0770

Content of this advisory:
1) Solved Security Vulnerabilities:
- chmlib buffer overflow
- GraphicsMagick and ImageMagick small problems
- various PDF viewers endless recursion problem
- pam_unix login problem
2) Pending Vulnerabilities, Solutions, and Work-Arounds:
- next kernel update
- Mozilla Firefox / Thunderbird / SeaMonkey updates
- fetchmail security problems
- php 5.2.1 security update
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.

- chmlib buffer overflow
A vulnerability was fixed in chmlib and kchmviewer that potentially
allowed the execution of arbitrary code.

Updates for this issue were released Feb 1st and it is tracked by
the Mitre CVE ID CVE-2007-0619.

- GraphicsMagick and ImageMagick small problems
ImageMagick and GraphicsMagick were updated to fix a broken
patch for CVE-2006-5456 and another minor non-security
issues. (CVE-2007-0770).

- various PDF viewers endless recursion problem
All XPDF derived PDF viewers and libraries have been updated to
fix a vulnerability which occurs while processing a special PDF
file, which can cause endless recursion and a crash by overflowing
the stack. Code execution is not considered possible.

The issue was found by the Apple Month of Bugs project and is
tracked by the Mitre CVE ID CVE-2007-0104.

Fixed packages were released for: xpdf, poppler, gpdf,
kdegraphics3-pdf, koffice-wordprocessing, libextractor, cups.

- pam_unix login problem
A bug in pam_unix module allowed users under certain circumstances
to log in although their account was locked. pam_unix is not used
on openSUSE by default.

This issue only affected openSUSE 10.2 and is tracked by the Mitre CVE ID
CVE-2007-0003.
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

- Next kernel update
We are currently preparing a kernel update for SUSE Linux 10.1 and
SUSE Linux Enterprise Server/Desktop 10. The main focus of this
update is a bugfix release, but several smaller security issues
have been addressed too.

- Mozilla Firefox / Thunderbird / SeaMonkey updates
New versions of Mozilla Firefox, Thunderbird and SeaMonkey will be
released next week, including also security fixes.

We will be releasing updates for those new stable versions.

- fetchmail security problems
The POP3/IMAP client fetchmail had two security issues fixed:

- Incorrect SSL handling could allow a man in the middle attack
against fetchmail or could expose passwords and similar
when too trivial encryption would be selected. (CVE-2006-5867)

- A fetchmail daemon might crash when using direct MDA
delivery. (CVE-2006-5974)

Due to various regressions spotted during QA we were not yet able
to release these updates but likely will do so next week.

- php 5.2.1 security update
A PHP5 security update was released by the PHP team.

We are currently preparing updates for the issues fixed in this update.
______________________________________________________________________________

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 lt;filegt;

replacing lt;filegt; with the name of the file containing the announcement.
The output for a valid signature looks like:

gpg: Signature made lt;DATEgt; using RSA key ID 3D25D3D9
gpg: Good signature from "SuSE Security Team lt;security@suse.degt;"

where lt;DATEgt; 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 lt;file.rpmgt;

to verify the signature of the package, replacing lt;file.rpmgt; 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:

opensuse-security@opensuse.org
- General Linux and SUSE security discussion.
All SUSE security announcements are sent to this list.
To subscribe, send an e-mail to
lt;opensuse-security+subscribe@opensuse.orggt;.

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
lt;suse-security-announce-subscribe@suse.comgt;.

=====================================================================
SUSE's security contact is lt;security@suse.comgt; or lt;security@suse.degt;.
The lt;security@suse.degt; 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 lt;security@suse.degt;
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key lt;build@suse.degt;

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