CVE-2020-36229

Name of the Vulnerable Software and Affected Versions OpenLDAP versions prior to 2.4.57

Description The issue is related to an incompatible type access in the OpenLDAP protocol implementation. It allows a remote attacker to send a specially crafted request to slapd, potentially leading to a denial of service (DoS) attack. The flaw is in the ldap X509dn2bv function and affects the X.509 DN parsing in ad keystring, causing a slapd crash.

Recommendations For OpenLDAP versions prior to 2.4.57, update to version 2.4.57 or later to resolve the issue. As a temporary workaround, consider restricting access to the vulnerable ldap X509dn2bv function until a patch is available.