Ubuntu alert USN-5424-2 (openldap)

From:
             
 
"Leonidas S. Barbosa" <leo.barbosa@canonical.com>
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-5424-2] OpenLDAP vulnerability
Date:
             
 
Thu, 19 May 2022 13:36:07 -0300
Message-ID:
             
 
<20220519163607.GA2408826@d4rkl41n>
==========================================================================
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:
  https://ubuntu.com/security/notices/USN-5424-2
  https://ubuntu.com/security/notices/USN-5424-1
  CVE-2022-29155