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______________________________________________________________________________

SUSE Security Summary Report

Announcement ID: SUSE-SR:2006:011
Date: Fri, 19 May 2006 16:00:00 +0000
Cross-References: CVE-2005-3751, CVE-2006-2162, CVE-2006-2288
CVE-2006-2289

Content of this advisory:
1) Solved Security Vulnerabilities:
- nagios integer overflow
- avahi local buffer overflow
- pound http request smuggling
2) Pending Vulnerabilities, Solutions, and Work-Arounds:
- MySQL various issues
- Next Kernel 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.

- nagios integer overflow
An Integer-Overflow exists within the handling of HTTP headers
by CGIs. This could lead to arbitrary code execution by remote
attackers on behalf of the Nagios CGI scripts.

Those bad headers will already be caught by the Apache2 web server.

CVE-2006-2162 has been assigned to this issue, and all SUSE Linux
based product are affected.

- avahi local buffer overflow
A local exploitable buffer overflow has been found in avahi.
The impact is low since avahi is running in a chroot environment.

Also a local denial of service attack using invalid UTF-8 host
names was fixed.

These issues are tracked by the Mitre CVE IDs CVE-2006-2288 and
CVE-2006-2289. Only SUSE Linux 10.1 is affected by this problem.

- pound http request smuggling
HTTP request smuggling vulnerability in Pound allows remote attackers
to poison web caches, bypass web application firewall protection,
and conduct XSS attacks via an HTTP request with conflicting
Content-length and Transfer-encoding headers. (CVE-2005-3751)

SUSE Linux 9.2 up to 10.0 are affected by this problem.
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

- MySQL various issues
MySQL 5.0.21 was released fixing various security problems, including
information leaks and a remote code execution.

We are currently preparing updates for these problems.

- Next Kernel Update
A kernel update for all products is in preparation and will likely
be released in the next week.
______________________________________________________________________________

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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