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______________________________________________________________________________

SUSE Security Summary Report

Announcement ID: SUSE-SR:2007:004
Date: Fri, 16 Mar 2007 15:00:00 +0000
Cross-References: CVE-2005-4348, CVE-2006-3126, CVE-2006-5867
CVE-2006-5974, CVE-2006-6142, CVE-2006-6303
CVE-2007-0469

Content of this advisory:
1) Solved Security Vulnerabilities:
- fetchmail man in the middle attacks
- capi4hylafax potential code execution
- squirrelmail cross site scripting problems
- rubygems file overwrite problem
- ruby denial of service problem
- clamav bugfix release 0.90.1
2) Pending Vulnerabilities, Solutions, and Work-Arounds:
- Month of PHP Bugs
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.

- fetchmail man in the middle attacks
Three security issues have been fixed in fetchmail:

CVE-2005-4348: fetchmail when configured for multidrop mode, allows
remote attackers to cause a denial of service (application crash)
by sending messages without headers from upstream mail servers.

CVE-2006-5867: fetchmail did not properly enforce TLS and may
transmit clear-text passwords over unsecured links if certain
circumstances occur, which allows remote attackers to obtain
sensitive information via man-in-the-middle (MITM) attacks.

CVE-2006-5974: fetchmail when refusing a message delivered via the
mda option, allowed remote attackers to cause a denial of service
(crash) via unknown vectors that trigger a NULL pointer dereference
when calling the ferror or fflush functions.

All SUSE Linux versions containing fetchmail were affected.

- capi4hylafax potential code execution
In the capi4hylafax fax suite, by using shell meta characters in the
sender number remote attackers could potentially execute arbitrary
commands (CVE-2006-3126).

It is not clear if this is exploitable at all.

All SUSE Linux based products containing capi4hylafax were updated.

- squirrelmail cross site scripting problems
Multiple cross site scripting bugs in squirrelmail have been fixed
(CVE-2006-6142).

SUSE Linux 9.3 up to 10.1 and openSUSE 10.2 are affected by this
problem.

- rubygems file overwrite problem
This update fixes a vulnerability in rubygems that allowed to
overwrite files with root privileges. (CVE-2007-0469)

SUSE Linux 10.0, 10.1 and openSUSE 10.2 are affected by this problem.

- ruby denial of service problem
The ruby package was updated to fix a denial of service problem in
its CGI module when parsing multipart MIME messages. (CVE-2006-6303)

All products containing ruby were affected by this problem.

- clamav bugfix release 0.90.1
The virus scan engine clamav was brought to version 0.90.1.

This was not a security, but only a bugfix release. The major version
of libclamav.so was bumped, so we also released sylpheed-claws and
klamav updates to provide consistency.
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

- Month of PHP Bugs
We are following the Month of PHP bugs closely and collect the
reported problems. Once the month of bugs is over, we will release
updated PHP packages.
______________________________________________________________________________

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:

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
<opensuse-security+subscribe@opensuse.org>.

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>.

=====================================================================
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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