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______________________________________________________________________________
SUSE Security Summary Report
Announcement ID: SUSE-SR:2008:010
Date: Fri, 25 Apr 2008 15:00:00 +0000
Cross-References: CVE-2007-6698, CVE-2008-0658, CVE-2008-1102
CVE-2008-1103, CVE-2008-1332, CVE-2008-1382
CVE-2008-1628
Content of this advisory:
1) Solved Security Vulnerabilities:
- licq denial of service
- libpng crash or potential code execution
- asterisk call without authorization
- openldap2 denial of service problem
- audit buffer overflow in logging
- Blender buffer overflow
2) Pending Vulnerabilities, Solutions, and Work-Arounds:
None listed this week.
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 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.
- licq denial of service
By starting more than 1024 connections against a remote licq client,
attackers could cause licq to crash.
licq was fixed on openSUSE 10.2 and 10.3.
- libpng crash or potential code execution
Specially crafted PNG image files could overwrite arbitrary memory.
Attackers could potentially exploit that to execute arbitrary code,
depending on the application used. (CVE-2008-1382)
Fixed libpng packages were shipped for all SUSE Linux based
distributions.
- Asterisk call without authorization
The opensource PBX asterisk allowed remote attackers to do a call
without prior login via the SIP channel. (CVE-2008-1332)
Asterisk packages were released for SUSE Linux 10.1 and openSUSE 10.2.
- openldap2 denial of service problem
Authenticated users could crash the LDAP server 'slapd' of
openldap
via the 'NOOP' command (CVE-2007-6698,CVE-2008-0658)
openldap2 packages have been released for all distributions.
- audit buffer overflow in logging
A bug in the audit_log_user_command() function could lead to a
buffer overflow. No program in openSUSE uses that function. Third
party applications could be affected though (CVE-2008-1628).
Updated audit packages were released for openSUSE 10.3.
- Blender buffer overflow
The rendering program Blender was affected by buffer overflows in
the RGBE header file parsing (CVE-2008-1102) and some temporary
file issues (CVE-2008-1103).
Since we do not think that Blender is not used in security critical
settings with network input data we fixed this problem only for
future products.
______________________________________________________________________________
2) Pending Vulnerabilities, Solutions, and Work-Arounds
None listed this 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:
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>.
opensuse-security-announce@opensuse.org
- SUSE's announce-only mailing list.
Only SUSE's security announcements are sent to this list.
To subscribe, send an e-mail to
<opensuse-security-announce+subscribe@opensuse.org>.
=====================================================================
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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