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______________________________________________________________________________
SUSE Security Announcement
Package: openldap2-client
Announcement ID: SUSE-SA:2006:072
Date: Fri, 24 Nov 2006 15:00:00 +0000
Affected Products: Novell Linux Desktop 9
Novell Linux POS 9
Open Enterprise Server
SUSE LINUX 10.1
SUSE LINUX 10.0
SUSE LINUX 9.3
SuSE Linux Desktop 1.0
SuSE Linux Enterprise Server 8
SuSE Linux Openexchange Server 4
SUSE LINUX Retail Solution 8
SuSE Linux School Server
SuSE Linux Standard Server 8
SUSE SLED 10
SUSE SLES 10
SUSE SLES 9
UnitedLinux 1.0
Vulnerability Type: remote denial of service
Severity (1-10): 7
SUSE Default Package: no
Cross-References: CVE-2006-5779
Content of This Advisory:
1) Security Vulnerability Resolved:
openldap2 remote denial of service problem
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
OpenLDAP libldap's strval2strlen() function contained a bug when
processing the authcid string of certain Bind Requests, which could
allow attackers to cause an affected application (especially the
OpenLDAP Server) to crash.
This is tracked by the Mitre CVE ID CVE-2006-5779.
2) Solution or Work-Around
There is no known workaround, please install the update packages.
3) Special Instructions and Notes
Please close and restart all running instances of OpenLDAP using
daemons after 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.
x86 Platform:
SUSE LINUX 10.1:
ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/openldap2-client-2.3.19-18.11.i586.rpm
190a35510d9cdaf9026b09b115f4a809
SUSE LINUX 10.0:
ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/openldap2-client-2.2.27-6.4.i586.rpm
8777311fd73e304fb039c5ae0041b805
SUSE LINUX 9.3:
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/openldap2-client-2.2.23-6.6.i586.rpm
13211d16f60be2f13dcc7f806e609c15
Power PC Platform:
SUSE LINUX 10.1:
ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/openldap2-client-2.3.19-18.11.ppc.rpm
f82f97b375eb7c04a44d9829c49d246a
SUSE LINUX 10.0:
ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/openldap2-client-2.2.27-6.4.ppc.rpm
0fcf7f15c4418fb49d0e969ebb8cb80f
x86-64 Platform:
SUSE LINUX 10.1:
ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/openldap2-client-2.3.19-18.11.x86_64.rpm
1d92e05b10a5a2ac8da28ff0f6d3456a
ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/openldap2-client-32bit-2.3.19-18.11.x86_64.rpm
c0b630dcc8effb762d2e4e20b393300e
SUSE LINUX 10.0:
ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/openldap2-client-2.2.27-6.4.x86_64.rpm
31b7c1919384c65adbe3924f645fde0a
ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/openldap2-client-32bit-2.2.27-6.4.x86_64.rpm
49fa838f5c2b409e909245abf96d967f
SUSE LINUX 9.3:
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/openldap2-client-2.2.23-6.6.x86_64.rpm
1414359d63ed54bfee51c7b664a611af
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/openldap2-client-32bit-9.3-7.2.x86_64.rpm
26b59979a32a5f30f3cac5ea15efabfc
Sources:
SUSE LINUX 10.1:
ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/openldap2-client-2.3.19-18.11.src.rpm
bba81b7841ae9fa01cb1ed99daf4db25
SUSE LINUX 10.0:
ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/openldap2-client-2.2.27-6.4.src.rpm
bbe064bda877ac9c5f497b143358440c
SUSE LINUX 9.3:
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/openldap2-client-2.2.23-6.6.src.rpm
f92d303fd9a08ab6a87d5b000e054ef6
Our maintenance customers are notified individually. The packages are
offered for installation from the maintenance web:
UnitedLinux 1.0
SuSE Linux Openexchange Server 4
Open Enterprise Server
Novell Linux POS 9
Novell Linux Desktop 9
SuSE Linux Enterprise Server 8
SuSE Linux Standard Server 8
SuSE Linux School Server
SUSE LINUX Retail Solution 8
SuSE Linux Desktop 1.0
SUSE SLES 10
SUSE SLED 10
SUSE SLES 9
http://support.novell.com/techcenter/psdb/bb15de3abad130715a6d95ac3c49fde6.h...
______________________________________________________________________________
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 <file>
replacing <file> with the name of the file where you saved 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 "
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 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
.
=====================================================================
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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Marcus Meissner