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June 2006

SUSE Security Advisories

ID: 00394
Ref: 383/2006
Date: 05 June 2006:10:11:29
Version: 1

Title: SUSE Security Advisories
Abstract: Summary Report and remote command execution problem in rug
Vendors affected: SuSe
Operating systems affected: SuSe

- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

______________________________________________________________________________

SUSE Security Summary Report

Announcement ID: SUSE-SR:2006:012
Date: Fri, 02 Jun 2006 17:00:00 +0000
Cross-References: CVE-2006-1516, CVE-2006-1517, CVE-2006-1518
CVE-2006-1931, CVE-2006-2426, CVE-2006-2453
CVE-2006-2458, CVE-2006-2480

Content of this advisory:
1) Solved Security Vulnerabilities:
- mysql COM_TABLE_DUMP problems
- Sun Java 1.5 denial of service attack
- dia format string bugs
- ruby XMLRPC denial of service attack
- NetworkManager automatically starts ypbind and autofs
- libextractor heap overflows
2) Pending Vulnerabilities, Solutions, and Work-Arounds:
- cron problems after last 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.

- mysql COM_TABLE_DUMP problems
In the database server MySQL, attackers could read portions of memory
by using a user name with trailing null byte or via COM_TABLE_DUMP
command (CVE-2006-1516, CVE-2006-1517).

Also, remote attackers could potentially execute arbitrary code
by causing a buffer overflow via specially crafted COM_TABLE_DUMP
packets (CVE-2006-1518).

A full advisory and updated packages will be released with the new
SQL injection vulnerability that become public yesterday.

- Sun Java 1.5 denial of service attack
Sun Java Runtime Environment (JRE) 1.5.0_6 and earlier, JDK 1.5.0_6
and earlier, and SDK 1.5.0_6 and earlier allows remote attackers
to cause a denial of service (disk consumption) by using the
Font.createFont function to create temporary files of arbitrary
size in the %temp% directory.

This problem affects SUSE Linux 9.3 up to 10.1 and is tracked by
the Mitre CVE ID CVE-2006-2426.

- dia format string bugs
Various format string bugs in dia could potentially be exploited
to execute arbitrary code.

These problems affect all SUSE Linux based products containing dia
and are tracked by the Mitre CVE IDs CVE-2006-2453 and CVE-2006-2480.

- ruby XMLRPC denial of service attack
The HTTP/XMLRPC server in Ruby used blocking sockets, which allows
attackers to cause a denial of service (blocked connections) via
a large amount of data.

This issue is tracked by the Mitre CVE ID CVE-2006-1931 and affected
all SUSE Linux products containing ruby.

- NetworkManager automatically starts ypbind and autofs
The NetworkManager automatically starts ypbind and autofs if the
DHCP server provided a NIS server address, even if NIS or autofs
was not configured otherwise.

This has been disabled and can be enabled by environment variables,
please read:
/usr/share/doc/packages/NetworkManager/README.ypbind-autofs

- libextractor heap overflows
Two heap overflows in libextractor have been found and fixed:
- Heap overflow in the asf plugin (CVE-2006-2458) [# 176280].
- Heap overflow in the qt plugin (CVE-2006-2458) [# 176280].

These problems affected SUSE Linux 10.0 and 10.1.
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

- cron problems after last update
We have received reports that an automated online update of CRON
resulted in cron no longer executing jobs.

Please check that your machine is still running cron jobs and if
unsure, execute as root:
/usr/sbin/rccron try-restart

If you rebooted in the meantime, this work-around is not necessary.
______________________________________________________________________________

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

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

gpg: Signature made using RSA key ID 3D25D3D9
gpg: Good signature from "SuSE Security Team "

where 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

to verify the signature of the package, replacing 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-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

.

For general information or the frequently asked questions (FAQ)
send mail to or

.

=====================================================================
SUSE's security contact is or .
The 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
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key

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______________________________________________________________________________

SUSE Security Announcement

Package: rug
Announcement ID: SUSE-SA:2006:029
Date: Wed, 31 May 2006 11:00:00 +0000
Affected Products: Novell Linux Desktop 9
SUSE SLES 9
Vulnerability Type: remote command execution
Severity (1-10): 10
SUSE Default Package: yes
Cross-References: CVE-2006-2703

Content of This Advisory:
1) Security Vulnerability Resolved:
- SSL man-in-the-middle attack
- world-readable configuration file
Problem Description
2) Solution or Work-Around
3) Special Instructions and Notes
4) Package Location and Checksums
5) Pending Vulnerabilities, Solutions, and Work-Arounds:
See SUSE Security Summary Report.
6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

RedCarpet allows the remote administration of systems by running the rc
daemon (rcd) on the server side to accept SSL encrypted commands from the
client.
The tool rug is such a client application that can be run from command-line.
The client does not verify the SSL certificates received from the server
and is therefore vulnerable to a man-in-the-middle attack which allows an
attacker to read traffic and to insert commands.

Additionally the permissions of /etc/ximian/rcd.conf were changed to avoid
the possible leakage of the rc password.

2) Solution or Work-Around

No work-around is known for the man-in-the-middle attack.
The permissions of the configuration file can be changed
using the chmod(1) command as root.

3) Special Instructions and Notes

Please restart the redcarpet daemon (rcd) after installing the
update.

4) Package Location and Checksums

The preferred method for installing security updates is to use the YaST
Online Update (YOU) tool. YOU detects which updates are required and
automatically performs the necessary steps to verify and install them.
Alternatively, download the update packages for your distribution manually
and verify their integrity by the methods listed in Section 6 of this
announcement. Then install the packages using the command

rpm -Fhv

to apply the update, replacing with the filename of the
downloaded RPM package.

Our maintenance customers are notified individually. The packages are
offered for installation from the maintenance web:

http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/2dfe32452eaf3613da33cce7326c9b95.html

______________________________________________________________________________

5) Pending Vulnerabilities, Solutions, and Work-Arounds:

See SUSE Security Summary Report.

______________________________________________________________________________

6) 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

replacing with the name of the file where you saved the
announcement. The output for a valid signature looks like:

gpg: Signature made using RSA key ID 3D25D3D9
gpg: Good signature from "SuSE Security Team "

where 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 the integrity of
a package needs to be verified to ensure that it has not been tampered
with.

There are two verification methods that can be used independently from
each other to prove the authenticity of a downloaded file or RPM package:

1) Using the internal gpg signatures of the rpm package
2) MD5 checksums as provided in this announcement

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

rpm -v --checksig

to verify the signature of the package, replacing 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 at
the end of this announcement.

2) If you need an alternative means of verification, use the md5sum
command to verify the authenticity of the packages. Execute the command

md5sum

after you downloaded the file from a SUSE FTP server or its mirrors.
Then compare the resulting md5sum with the one that is listed in the
SUSE security announcement. Because the announcement containing the
checksums is cryptographically signed (by security@suse.de), the
checksums show proof of the authenticity of the package if the
signature of the announcement is valid. Note that the md5 sums
published in the SUSE Security Announcements are valid for the
respective packages only. Newer versions of these packages cannot be
verified.

- 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-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

.

For general information or the frequently asked questions (FAQ),
send mail to or