Remote crash via crafted LDAP messages:
An invalid pointer dereference flaw was found in the way 389-ds-base handled LDAP bind requests. A remote unauthenticated attacker could use this flaw to make ns-slapd crash via a specially crafted LDAP bind request, resulting in denial of service. (CVE-2017-2668 )
Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.
Please refer to Amazon advisory ALAS-2017-824 for affected packages and patching details, or update with your package manager.
Following are links for downloading patches to fix the vulnerabilities: