CVE-2011-1081

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 14.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-03-20 · updated 2026-06-16
Weakness: CWE-399

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.

Affected products

openldap: 2.4.6, 2.4.7, 2.4.8, 2.4.9, 2.4.10, 2.4.11 (+12)

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

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