[USN-5424-2] OpenLDAP vulnerability


========================================================================== Ubuntu Security Notice USN-5424-2 May 19, 2022
openldap vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 ESM – Ubuntu 14.04 ESM
Summary:
OpenLDAP could be made to perform arbitrary modifications to the database.
Software Description: – openldap: Lightweight Directory Access Protocol
Details:
USN-5424-1 fixed a vulnerability in OpenLDAP. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that OpenLDAP incorrectly handled certain SQL statements within LDAP queries in the experimental back-sql backend. A remote attacker could possibly use this issue to perform an SQL injection attack and alter the database.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 ESM: slapd 2.4.42+dfsg-2ubuntu3.13+esm1
Ubuntu 14.04 ESM: slapd 2.4.31-1+nmu2ubuntu8.5+esm5
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5424-2 ubuntu.com/security/notices/USN-5424-1 CVE-2022-29155