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Category:   Application (Directory)  >   OpenLDAP Vendors:   OpenLDAP.org
(Red Hat Issues Fix) OpenLDAP Lets Remote Authenticated Users Crash the slapd Daemon With Specially Crafted Modify Operations
SecurityTracker Alert ID:  1019485
SecurityTracker URL:  http://securitytracker.com/id/1019485
CVE Reference:   CVE-2007-6698   (Links to External Site)
Date:  Feb 22 2008
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.3.35 and prior versions
Description:   A vulnerability was reported in OpenLDAP. A remote authenticated user can cause denial of service conditions.

A remote authenticated user can send a specially crafted modify operation with the NOOP control set to critical to cause the target slapd service to crash.

Jonathan Clarke reported this vulnerability.

[Editor's note: This vulnerability was originally reported in April 2007.]

Impact:   A remote authenticated user can cause denial of service conditions on the target system.
Solution:   Red Hat has released a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2008-0110.html

Vendor URL:  www.openldap.org/ (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  4, 5

Message History:   This archive entry is a follow-up to the message listed below.
Feb 22 2008 OpenLDAP Lets Remote Authenticated Users Crash the slapd Daemon With Specially Crafted Modify Operations



 Source Message Contents

Subject:  [RHSA-2008:0110-01] Moderate: openldap security update


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: openldap security update
Advisory ID:       RHSA-2008:0110-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2008-0110.html
Issue date:        2008-02-21
CVE Names:         CVE-2007-6698 CVE-2008-0658 
=====================================================================

1. Summary:

Updated openldap packages that fix security issues are now available for
Red Hat Enterprise Linux 4 and 5.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

3. Description:

OpenLDAP is an open source suite of Lightweight Directory Access Protocol
(LDAP) applications and development tools. LDAP is a set of protocols for
accessing directory services.

These updated openldap packages fix a flaw in the way the OpenLDAP slapd
daemon handled modify and modrdn requests with NOOP control on objects
stored in a Berkeley DB (BDB) storage backend.  An authenticated attacker
with permission to perform modify or modrdn operations on such LDAP objects
could cause slapd to crash. (CVE-2007-6698, CVE-2008-0658)

Users of openldap should upgrade to these updated packages, which contain a
backported patch to correct this issue.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  

This update is available via Red Hat Network.  Details on how to use 
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

5. Bugs fixed (http://bugzilla.redhat.com/):

431203 - CVE-2007-6698 openldap: slapd crash on NOOP control operation on entry in bdb storage
432008 - CVE-2008-0658 openldap: slapd crash on modrdn operation with NOOP control on entry in bdb storage

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/openldap-2.2.13-8.el4_6.4.src.rpm

i386:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-clients-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-devel-2.2.13-8.el4_6.4.i386.rpm
openldap-servers-2.2.13-8.el4_6.4.i386.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.i386.rpm

ia64:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
compat-openldap-2.1.30-8.el4_6.4.ia64.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.ia64.rpm
openldap-clients-2.2.13-8.el4_6.4.ia64.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.ia64.rpm
openldap-devel-2.2.13-8.el4_6.4.ia64.rpm
openldap-servers-2.2.13-8.el4_6.4.ia64.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.ia64.rpm

ppc:
compat-openldap-2.1.30-8.el4_6.4.ppc.rpm
compat-openldap-2.1.30-8.el4_6.4.ppc64.rpm
openldap-2.2.13-8.el4_6.4.ppc.rpm
openldap-2.2.13-8.el4_6.4.ppc64.rpm
openldap-clients-2.2.13-8.el4_6.4.ppc.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.ppc.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.ppc64.rpm
openldap-devel-2.2.13-8.el4_6.4.ppc.rpm
openldap-servers-2.2.13-8.el4_6.4.ppc.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.ppc.rpm

s390:
compat-openldap-2.1.30-8.el4_6.4.s390.rpm
openldap-2.2.13-8.el4_6.4.s390.rpm
openldap-clients-2.2.13-8.el4_6.4.s390.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.s390.rpm
openldap-devel-2.2.13-8.el4_6.4.s390.rpm
openldap-servers-2.2.13-8.el4_6.4.s390.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.s390.rpm

s390x:
compat-openldap-2.1.30-8.el4_6.4.s390.rpm
compat-openldap-2.1.30-8.el4_6.4.s390x.rpm
openldap-2.2.13-8.el4_6.4.s390.rpm
openldap-2.2.13-8.el4_6.4.s390x.rpm
openldap-clients-2.2.13-8.el4_6.4.s390x.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.s390.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.s390x.rpm
openldap-devel-2.2.13-8.el4_6.4.s390x.rpm
openldap-servers-2.2.13-8.el4_6.4.s390x.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.s390x.rpm

x86_64:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
compat-openldap-2.1.30-8.el4_6.4.x86_64.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.x86_64.rpm
openldap-clients-2.2.13-8.el4_6.4.x86_64.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.x86_64.rpm
openldap-devel-2.2.13-8.el4_6.4.x86_64.rpm
openldap-servers-2.2.13-8.el4_6.4.x86_64.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/openldap-2.2.13-8.el4_6.4.src.rpm

i386:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-clients-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-devel-2.2.13-8.el4_6.4.i386.rpm
openldap-servers-2.2.13-8.el4_6.4.i386.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.i386.rpm

x86_64:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
compat-openldap-2.1.30-8.el4_6.4.x86_64.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.x86_64.rpm
openldap-clients-2.2.13-8.el4_6.4.x86_64.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.x86_64.rpm
openldap-devel-2.2.13-8.el4_6.4.x86_64.rpm
openldap-servers-2.2.13-8.el4_6.4.x86_64.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/openldap-2.2.13-8.el4_6.4.src.rpm

i386:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-clients-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-devel-2.2.13-8.el4_6.4.i386.rpm
openldap-servers-2.2.13-8.el4_6.4.i386.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.i386.rpm

ia64:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
compat-openldap-2.1.30-8.el4_6.4.ia64.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.ia64.rpm
openldap-clients-2.2.13-8.el4_6.4.ia64.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.ia64.rpm
openldap-devel-2.2.13-8.el4_6.4.ia64.rpm
openldap-servers-2.2.13-8.el4_6.4.ia64.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.ia64.rpm

x86_64:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
compat-openldap-2.1.30-8.el4_6.4.x86_64.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.x86_64.rpm
openldap-clients-2.2.13-8.el4_6.4.x86_64.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.x86_64.rpm
openldap-devel-2.2.13-8.el4_6.4.x86_64.rpm
openldap-servers-2.2.13-8.el4_6.4.x86_64.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/openldap-2.2.13-8.el4_6.4.src.rpm

i386:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-clients-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-devel-2.2.13-8.el4_6.4.i386.rpm
openldap-servers-2.2.13-8.el4_6.4.i386.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.i386.rpm

ia64:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
compat-openldap-2.1.30-8.el4_6.4.ia64.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.ia64.rpm
openldap-clients-2.2.13-8.el4_6.4.ia64.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.ia64.rpm
openldap-devel-2.2.13-8.el4_6.4.ia64.rpm
openldap-servers-2.2.13-8.el4_6.4.ia64.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.ia64.rpm

x86_64:
compat-openldap-2.1.30-8.el4_6.4.i386.rpm
compat-openldap-2.1.30-8.el4_6.4.x86_64.rpm
openldap-2.2.13-8.el4_6.4.i386.rpm
openldap-2.2.13-8.el4_6.4.x86_64.rpm
openldap-clients-2.2.13-8.el4_6.4.x86_64.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.i386.rpm
openldap-debuginfo-2.2.13-8.el4_6.4.x86_64.rpm
openldap-devel-2.2.13-8.el4_6.4.x86_64.rpm
openldap-servers-2.2.13-8.el4_6.4.x86_64.rpm
openldap-servers-sql-2.2.13-8.el4_6.4.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/openldap-2.3.27-8.el5_1.3.src.rpm

i386:
compat-openldap-2.3.27_2.2.29-8.el5_1.3.i386.rpm
openldap-2.3.27-8.el5_1.3.i386.rpm
openldap-clients-2.3.27-8.el5_1.3.i386.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.i386.rpm

x86_64:
compat-openldap-2.3.27_2.2.29-8.el5_1.3.i386.rpm
compat-openldap-2.3.27_2.2.29-8.el5_1.3.x86_64.rpm
openldap-2.3.27-8.el5_1.3.i386.rpm
openldap-2.3.27-8.el5_1.3.x86_64.rpm
openldap-clients-2.3.27-8.el5_1.3.x86_64.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.i386.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/openldap-2.3.27-8.el5_1.3.src.rpm

i386:
openldap-debuginfo-2.3.27-8.el5_1.3.i386.rpm
openldap-devel-2.3.27-8.el5_1.3.i386.rpm
openldap-servers-2.3.27-8.el5_1.3.i386.rpm
openldap-servers-sql-2.3.27-8.el5_1.3.i386.rpm

x86_64:
openldap-debuginfo-2.3.27-8.el5_1.3.i386.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.x86_64.rpm
openldap-devel-2.3.27-8.el5_1.3.i386.rpm
openldap-devel-2.3.27-8.el5_1.3.x86_64.rpm
openldap-servers-2.3.27-8.el5_1.3.x86_64.rpm
openldap-servers-sql-2.3.27-8.el5_1.3.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/openldap-2.3.27-8.el5_1.3.src.rpm

i386:
compat-openldap-2.3.27_2.2.29-8.el5_1.3.i386.rpm
openldap-2.3.27-8.el5_1.3.i386.rpm
openldap-clients-2.3.27-8.el5_1.3.i386.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.i386.rpm
openldap-devel-2.3.27-8.el5_1.3.i386.rpm
openldap-servers-2.3.27-8.el5_1.3.i386.rpm
openldap-servers-sql-2.3.27-8.el5_1.3.i386.rpm

ia64:
compat-openldap-2.3.27_2.2.29-8.el5_1.3.i386.rpm
compat-openldap-2.3.27_2.2.29-8.el5_1.3.ia64.rpm
openldap-2.3.27-8.el5_1.3.i386.rpm
openldap-2.3.27-8.el5_1.3.ia64.rpm
openldap-clients-2.3.27-8.el5_1.3.ia64.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.i386.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.ia64.rpm
openldap-devel-2.3.27-8.el5_1.3.ia64.rpm
openldap-servers-2.3.27-8.el5_1.3.ia64.rpm
openldap-servers-sql-2.3.27-8.el5_1.3.ia64.rpm

ppc:
compat-openldap-2.3.27_2.2.29-8.el5_1.3.ppc.rpm
compat-openldap-2.3.27_2.2.29-8.el5_1.3.ppc64.rpm
openldap-2.3.27-8.el5_1.3.ppc.rpm
openldap-2.3.27-8.el5_1.3.ppc64.rpm
openldap-clients-2.3.27-8.el5_1.3.ppc.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.ppc.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.ppc64.rpm
openldap-devel-2.3.27-8.el5_1.3.ppc.rpm
openldap-devel-2.3.27-8.el5_1.3.ppc64.rpm
openldap-servers-2.3.27-8.el5_1.3.ppc.rpm
openldap-servers-sql-2.3.27-8.el5_1.3.ppc.rpm

s390x:
compat-openldap-2.3.27_2.2.29-8.el5_1.3.s390.rpm
compat-openldap-2.3.27_2.2.29-8.el5_1.3.s390x.rpm
openldap-2.3.27-8.el5_1.3.s390.rpm
openldap-2.3.27-8.el5_1.3.s390x.rpm
openldap-clients-2.3.27-8.el5_1.3.s390x.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.s390.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.s390x.rpm
openldap-devel-2.3.27-8.el5_1.3.s390.rpm
openldap-devel-2.3.27-8.el5_1.3.s390x.rpm
openldap-servers-2.3.27-8.el5_1.3.s390x.rpm
openldap-servers-sql-2.3.27-8.el5_1.3.s390x.rpm

x86_64:
compat-openldap-2.3.27_2.2.29-8.el5_1.3.i386.rpm
compat-openldap-2.3.27_2.2.29-8.el5_1.3.x86_64.rpm
openldap-2.3.27-8.el5_1.3.i386.rpm
openldap-2.3.27-8.el5_1.3.x86_64.rpm
openldap-clients-2.3.27-8.el5_1.3.x86_64.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.i386.rpm
openldap-debuginfo-2.3.27-8.el5_1.3.x86_64.rpm
openldap-devel-2.3.27-8.el5_1.3.i386.rpm
openldap-devel-2.3.27-8.el5_1.3.x86_64.rpm
openldap-servers-2.3.27-8.el5_1.3.x86_64.rpm
openldap-servers-sql-2.3.27-8.el5_1.3.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6698
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0658
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2008 Red Hat, Inc.
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