Description
slapd/back-bdb/modrdn.c in the BDB backend for slapd in OpenLDAP 2.3.39 allows remote authenticated users to cause a denial of service (daemon crash) via a modrdn operation with a NOOP (LDAP_X_NO_OPERATION) control, a related issue to CVE-2007-6698.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 4.0 | openldap2.3 | 2.3.30-5+etch1 | DSA-1541-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | compat-openldap | 2.3.27_2.2.29-8.el5_1.3 | RHSA-2008:0110 |
| RHEL 5 | openldap +4 | 2.3.27-8.el5_1.3 | RHSA-2008:0110 |
| RHEL 4 | compat-openldap | 2.1.30-8.el4_6.4 | RHSA-2008:0110 |
| RHEL 4 | openldap +4 | 2.2.13-8.el4_6.4 | RHSA-2008:0110 |
Advisories 2
- RHSA-2008:0110 Red Hat Security Advisory: openldap security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1541-1 openldap2.3 Debian Security (DSA / DLA) · Mar 9, 2026
References
- SUSE-SR:2008:010 vendor-advisory
- MDVSA-2008:058 vendor-advisory
- 29461 third-party-advisory
- http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/back-bdb/modrdn.c.diff?r1=1.197&r2=1.198&f=h
- 29225 third-party-advisory
- http://wiki.rpath.com/Advisories:rPSA-2008-0059
- 29682 third-party-advisory
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0059
- 29256 third-party-advisory
- 20080212 rPSA-2008-0059-1 openldap openldap-clients openldap-servers mailing-list
- GLSA-200803-28 vendor-advisory
- 29068 third-party-advisory
- USN-584-1 vendor-advisory
- RHSA-2008:0110 vendor-advisory
- oval:org.mitre.oval:def:9470 vdb-entry signature
- 28953 third-party-advisory
- 28914 third-party-advisory
- DSA-1541 vendor-advisory
- openldap-modrdn-dos(40479) vdb-entry
- http://www.openldap.org/its/index.cgi/Software%20Bugs?id=5358
- ADV-2009-3184 vdb-entry
- 28926 third-party-advisory
- 27778 vdb-entry
- ADV-2008-0536 vdb-entry
- APPLE-SA-2009-11-09-1 vendor-advisory
- 29957 third-party-advisory
- http://support.apple.com/kb/HT3937
- 1019481 vdb-entry