SUSE Security Summary Report SUSE-SR:2005:019
Posted on: 08/19/2005 08:56 AM

A security announcement from SUSE

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______________________________________________________________________________

SUSE Security Summary Report

Announcement ID: SUSE-SR:2005:019
Date: Fri, 19 Aug 2005 13:00:00 +0000
Cross-References: CAN-2005-2102
CAN-2005-2103
CAN-2005-1852
CAN-2004-0519
CAN-2005-2471
CAN-2005-1527
CAN-2005-2301
CAN-2005-2302
CAN-2005-2097
CAN-2005-2215
CAN-2005-1888
CAN-2005-2360
CAN-2005-2361
CAN-2005-2362
CAN-2005-2363
CAN-2005-2364
CAN-2005-2365
CAN-2005-2366
CAN-2005-2367

Content of this advisory:
1) Solved Security Vulnerabilities:
- SUSE Linux 8.2 discontinued.
- pstopnm use of ghostscript without -dSAFER
- gaim various security problems
- kopete gadu denial of service attack
- squirrelmail various cross site scripting issues
- awstats remote code execution
- powerdns denial of service attack
- gpdf denial of service attack
- kpdf denial of service attack
- mediawiki cross site scripting problem
- wipe left around backup copies
- ethereal various security issues
2) Pending Vulnerabilities, Solutions, and Work-Arounds:
- acroread plugin buffer overflow
- various kernel security issues
- evolution format string problems
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 8.2 discontinued

As previously announced we have discontinued support of SUSE Linux 8.2
on the 31rd of July.

Begin of next week we will now move away the directories for the
YaST Online Update to free disk space on the mirrors.

The YOU patches and fixed RPMs will remain on:
ftp://ftp.suse.com/pub/suse/discontinued/i386/8.2/


- pstopnm use of ghostscript without -dSAFER

pstopnm in netpbm does not properly use the "-dSAFER" option when
calling Ghostscript to convert convert a Postscript file into a (1)
PBM, (2) PGM, or (3) PNM file, which allows external user-complicit
attackers to execute arbitrary commands.

This is tracked by the Mitre CVE ID CAN-2005-2471.

This problem affects all SUSE Linux based products.

- gaim various security problems

Various memory corruption bugs within the GNOME instant messenger
client gaim have been fixed:

- An AIM/ICQ malformed filename crash. Mitre CVE ID: CAN-2005-2102 -
- An AIM/ICQ away-message buffer overflow. Mitre CVE ID: CAN-2005-2103

For the SUSE Linux 9.3 and 9.2 distributions a memory alignment
bug within libgadu has been fixed too, tracked by the Mitre CVE
ID CAN-2005-1852.

All SUSE Linux versions including gaim are affected.

- kopete gadu denial of service attack

The KDE instant messenging program 'kopete' was affected by a
problem within the "gadu" protocol handling. A specially crafted
'gadu' message could crash the program.

This is tracked by the Mitre CVE ID CAN-2005-1852. Only SUSE Linux
9.3 contained the vulnerable code, no other versions were affected.

- squirrelmail various cross site scripting issues

The web mailer squirrelmail had several more cross site scripting
problems which were fixed upstream. This patch integrates them into
our packages.

This is tracked by the Mitre CVE ID CAN-2004-0519.

This issue affects SUSE Linux Professional 9.0 up to 9.3.

- awstats remote code execution

The web statistics program 'awstats' contains an invalid usage
of the eval() function within the awstats perl script. This
vulnerability can be used by remote attackers to execute arbitrary
code.

This issue is tracked by the Mitre CVE ID CAN-2005-1527 and affects
SUSE Linux 9.0 up to 9.3.

- powerdns denial of service attack

The PowerDNS nameserver was updated to fix the following security
issues:

- The LDAP backend could fail and not respond anymore.
This is tracked by the Mitre CVE ID CAN-2005-2301.

- Recursive Queries of unauthorized clients could temporarily block
queries of authorized clients.
This is tracked by the Mitre CVE ID CAN-2005-2302.

Only SUSE Linux 9.3 contains the pdns package and is affected.

- gpdf and kpdf denial of service attack

Broken as well as specially crafted PDF files can cause the GNOME
PDF viewer gpdf and the KDE PDF viewer PDF to create large files
in /tmp until the filesystem runs out of space.

This is tracked by the Mitre CVE ID CAN-2005-2097.

Only gpdf and kpdf in SUSE Linux 9.3 are affected by this problem.

- MediaWiki cross site scripting problem

Several cross site scripting (XSS) bugs were found and fixed in
MediaWiki.

- in the page move template, tracked by the Mitre CVE ID
CAN-2005-2215.

- with HTML attributes In page templates, tracked by the Mitre CVE
ID CAN-2005-1888.

Only SUSE Linux 9.3 includes MediaWiki and is affected by this
problem.

- wipe left around backup copies

Due to bad path handling the secure file deletion tool 'wipe' in
some cases leaves around a copy of the original file.

This problem affects SUSE Linux 9.1 up to 9.3.

- ethereal various security issues

This update upgrades ethereal to version 0.10.12 which has all
known security bugs fixed. Bugs fixed are tracked by the Mitre CVE
IDs CAN-2005-2360, CAN-2005-2361, CAN-2005-2362, CAN-2005-2363,
CAN-2005-2364, CAN-2005-2365, CAN-2005-2366, and CAN-2005-2367.

A detailed list of bugs fixed can be found at:
http://ethereal.com/appnotes/enpa-sa-00020.html

All SUSE Linux versions were affected by this problem.
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

- acroread plugin buffer overflow

A buffer overflow was reported in the Acrobat Reader plugin, allowing
remote attackers to potentially execute code as the viewing user.

This is tracked by the Mitre CVE ID CAN-2005-2470, we are
currently testing updates.

- various kernel security issues

We are currently preparing a security kernel update for
the 2.6 lines of kernels fixing currently known issues.

We expect it to be released end of next week.

- evolution format string problems

Format string problems were reported in the evolution mail client.

We are preparing updates for this issue.
______________________________________________________________________________

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:

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

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;.

For general information or the frequently asked questions (FAQ)
send mail to lt;suse-security-info@suse.comgt; or
lt;suse-security-faq@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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