CVE-2011-1081
Description
modrdn.c in slapd in OpenLDAP 2.4.x before 2.4.24 allows remote attackers to cause a denial of service (daemon crash) via a relative Distinguished Name (DN) modification request (aka MODRDN operation) that contains an empty value for the OldDN field.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
OpenLDAP 2.4.x - 'modrdn' NULL OldDN Remote Denial of Service
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.4.25-1 |
| sid | Fixed | 2.4.25-1 |
| forky | Fixed | 2.4.25-1 |
| bullseye | Fixed | 2.4.25-1 |
| bookworm | Fixed | 2.4.25-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| openldap | openldap | 2.4.6 | |
| openldap | openldap | 2.4.7 | |
| openldap | openldap | 2.4.8 | |
| openldap | openldap | 2.4.9 | |
| openldap | openldap | 2.4.10 | |
| openldap | openldap | 2.4.11 | |
| openldap | openldap | 2.4.12 | |
| openldap | openldap | 2.4.13 | |
| openldap | openldap | 2.4.14 | |
| openldap | openldap | 2.4.15 | |
| openldap | openldap | 2.4.16 | |
| openldap | openldap | 2.4.17 | |
| openldap | openldap | 2.4.18 | |
| openldap | openldap | 2.4.19 | |
| openldap | openldap | 2.4.20 | |
| openldap | openldap | 2.4.21 | |
| openldap | openldap | 2.4.22 | |
| openldap | openldap | 2.4.23 | |
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://openwall.com/lists/oss-security/2011/02/28/1
- http://openwall.com/lists/oss-security/2011/02/28/2
- http://openwall.com/lists/oss-security/2011/03/01/11
- http://openwall.com/lists/oss-security/2011/03/01/15
- http://secunia.com/advisories/43331
- http://secunia.com/advisories/43718
- http://security.gentoo.org/glsa/glsa-201406-36.xml
- http://securitytracker.com/id?1025191
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:055
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:056
- http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/modrdn.c.diff?r1=1.170.2.8&r2=1.170.2.9
- http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6768
- http://www.openldap.org/lists/openldap-announce/201102/msg00000.html
- http://www.redhat.com/support/errata/RHSA-2011-0347.html
- http://www.ubuntu.com/usn/USN-1100-1
- http://www.vupen.com/english/advisories/2011/0665
- https://bugzilla.novell.com/show_bug.cgi?id=674985
- https://bugzilla.redhat.com/show_bug.cgi?id=680975
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66239
- https://security-tracker.debian.org/tracker/CVE-2011-1081
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.