Resource management error in OpenLDAP - CVE-2011-1081
Published: March 20, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45182
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-1081
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
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 software
OpenLDAP
How to mitigate CVE-2011-1081
Install update from vendor's website.
Links to Public Exploits and PoC-codes
External 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