CVE-2012-1164 Denial of service in n/a

Low 2.6 Published 29 Jun 2012 Updated 6 Aug 2024

Remote attackers can crash the OpenLDAP server by sending a specific search query, causing a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2012-1164?

CVE-2012-1164 is a low-severity denial of service vulnerability in Openldap Openldap, published on 29 Jun 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

slapd in OpenLDAP before 2.4.30 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via an LDAP search query with attrsOnly set to true, which causes empty attributes to be returned.

Weakness: CWE-119

Which versions are affected by CVE-2012-1164?

It affects 1 product.

Linux distribution packages (24)

`openldap` Red Hat:enterprise_linux:6::client	All versions	`0:2.4.23-26.el6`
`openldap-clients` Red Hat:enterprise_linux:6::client	All versions	`0:2.4.23-26.el6`
`openldap-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:2.4.23-26.el6`
`openldap-devel` Red Hat:enterprise_linux:6::client	All versions	`0:2.4.23-26.el6`
`openldap-servers` Red Hat:enterprise_linux:6::client	All versions	`0:2.4.23-26.el6`
`openldap-servers-sql` Red Hat:enterprise_linux:6::client	All versions	`0:2.4.23-26.el6`
`openldap` Red Hat:enterprise_linux:6::computenode	All versions	`0:2.4.23-26.el6`
`openldap-clients` Red Hat:enterprise_linux:6::computenode	All versions	`0:2.4.23-26.el6`
`openldap-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`0:2.4.23-26.el6`
`openldap-devel` Red Hat:enterprise_linux:6::computenode	All versions	`0:2.4.23-26.el6`
`openldap-servers` Red Hat:enterprise_linux:6::computenode	All versions	`0:2.4.23-26.el6`
`openldap-servers-sql` Red Hat:enterprise_linux:6::computenode	All versions	`0:2.4.23-26.el6`
`openldap` Red Hat:enterprise_linux:6::server	All versions	`0:2.4.23-26.el6`
`openldap-clients` Red Hat:enterprise_linux:6::server	All versions	`0:2.4.23-26.el6`
`openldap-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:2.4.23-26.el6`
`openldap-devel` Red Hat:enterprise_linux:6::server	All versions	`0:2.4.23-26.el6`
`openldap-servers` Red Hat:enterprise_linux:6::server	All versions	`0:2.4.23-26.el6`
`openldap-servers-sql` Red Hat:enterprise_linux:6::server	All versions	`0:2.4.23-26.el6`
`openldap` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.4.23-26.el6`
`openldap-clients` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.4.23-26.el6`
`openldap-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.4.23-26.el6`
`openldap-devel` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.4.23-26.el6`
`openldap-servers` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.4.23-26.el6`
`openldap-servers-sql` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.4.23-26.el6`

Products include Openldap Openldap.

How do I fix CVE-2012-1164?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2012-1164 being exploited?

There is no known exploitation of CVE-2012-1164 in the wild and no public exploit code.

All Openldap Openldap vulnerabilities

Sources

Also known as DEBIAN-CVE-2012-1164, GHSA-cvmw-3c66-5wx9, RHSA-2012:0899.