SUSE Security Summary Report SUSE-SR:2006:010
Posted on: 05/12/2006 03:12 PM

A security announcement from SUSE

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______________________________________________________________________________

SUSE Security Summary Report

Announcement ID: SUSE-SR:2006:010
Date: Fri, 12 May 2006 16:00:00 +0000
Cross-References: CVE-2005-1111, CVE-2005-1229, CVE-2005-4268
CVE-2006-1546, CVE-2006-1547, CVE-2006-1548
CVE-2006-1834, CVE-2006-1932, CVE-2006-1933
CVE-2006-1934, CVE-2006-1935, CVE-2006-1936
CVE-2006-1937, CVE-2006-1938, CVE-2006-1939
CVE-2006-1940, CVE-2006-1989, CVE-2006-2069

Content of this advisory:
1) Solved Security Vulnerabilities:
- opera integer overflow in style sheet handling
- pdns remote denial of service attack
- cpio various issues
- ethereal various issues
- clamav freshclam buffer overflow
- Apache struts various problems
2) Pending Vulnerabilities, Solutions, and Work-Arounds:
- SUSE Linux 10.1 update 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.

- Opera integer overflow in style sheet handling

An integer signedness error in Opera before 8.54 allows remote
attackers to execute arbitrary code via long values in a style sheet
attribute, which pass a length check.

This affects all SUSE Linux versions and is tracked by the Mitre
CVE ID CVE-2006-1834.

- pdns remote denial of service attack

Remote attackers could crash the PowerDNS (pdns) server by sending
malformed packets.

This only affects SUSE Linux 10.1 and is tracked by the Mitre CVE
ID CVE-2006-2069.

- cpio various issues
CPIO has been updated to fix the following security problems:

- Very large files could cause a buffer overflow on 64bit platforms
(CVE-2005-4268)

- When extracting an archive into a directory that is writable by
other users, a user could trick cpio into changing the permissions
of files outside that directory (CVE-2005-1111).

- Relative paths in cpio archives could be used to write a file into
an arbitrary directory when extracting the archive (CVE-2005-1229).

This problem affects all SUSE Linux based products.

- ethereal various issues

Various security problems were fixed in ethereal, these could have
denial of service attacks or even arbitrary code execution as impact.

The tracking Mitre CVE IDs of the fixed issues are:
CVE-2006-1932, CVE-2006-1933, CVE-2006-1934, CVE-2006-1935,
CVE-2006-1936, CVE-2006-1937, CVE-2006-1938, CVE-2006-1939,
CVE-2006-1940

- clamav freshclam buffer overflow

Clamav was updated to version 0.88.2 fixes among other things the
following security problem:

- A buffer overflow in the freshclam program might allow remote web
servers to execute arbitrary code via long HTTP headers
(CVE-2006-1989).

All SUSE Linux based products containing clamav were affected.

- Apache struts various problems

Three security problems were fixed in Apache Struts:

1.)
Apache Software Foundation (ASF) Struts before 1.2.9 allows
remote attackers to bypass validation via a request with a
'org.apache.struts.taglib.html.Constants.CANCEL' parameter, which
causes the action to be canceled but would not be detected from
applications that do not use the isCancelled check. (CVE-2006-1546)

2.)
ActionForm in Apache Software Foundation (ASF) Struts before 1.2.9
with BeanUtils 1.7 allows remote attackers to cause a denial of
service via a multipart/form-data encoded form with a parameter
name that references the public getMultipartRequestHandler
method, which provides further access to elements in the
CommonsMultipartRequestHandler implementation and BeanUtils.
(CVE-2006-1547)

3.)
Cross-site scripting (XSS) vulnerability in (1) LookupDispatchAction
and possibly (2) DispatchAction and (3) ActionDispatcher in Apache
Software Foundation (ASF) Struts before 1.2.9 allows remote attackers
to inject arbitrary web script or HTML via the parameter name, which
is not filtered in the resulting error message. (CVE-2006-1548)


SUSE Linux 9.3 and 10.0 were affected by these problems.
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

- SUSE Linux 10.1 update problems

Installation of the opera and pdns updates on SUSE Linux 10.1 might
be problematic. We are aware of 2 problems:

- zen-updater is not able to install the updates.

Workaround: Use YaST Online Update directly, started via YaST2
control center.

- YaST crashes when installing packages directly from the online
update source.

The installer tries to install packages directly from the online
update source instead of your CDs (in case of security updates)
to avoid intermediate steps. This is not fully working yet so
you might experience crashes.

Workaround:
Disable the remote update source during install of this package
and re enable it afterward.

- 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 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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