Ubuntu Security Notice USN-4352-1 ↭
Ubuntu Security Notice USN-4352-1
May 06, 2020
openldap vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
OpenLDAP could be made to crash if it received specially crafted network
traffic.
Software Description:
- openldap: Lightweight Directory Access Protocol
Details:
It was discovered that OpenLDAP incorrectly handled certain queries. A
remote attacker could possibly use this issue to cause OpenLDAP to consume
resources, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
slapd 2.4.49+dfsg-2ubuntu1.2
Ubuntu 19.10:
slapd 2.4.48+dfsg-1ubuntu1.1
Ubuntu 18.04 LTS:
slapd 2.4.45+dfsg-1ubuntu1.5
Ubuntu 16.04 LTS:
slapd 2.4.42+dfsg-2ubuntu3.8
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4352-1
CVE-2020-12243
Package Information:
https://launchpad.net/ubuntu/+source/openldap/2.4.49+dfsg-2ubuntu1.2
https://launchpad.net/ubuntu/+source/openldap/2.4.48+dfsg-1ubuntu1.1
https://launchpad.net/ubuntu/+source/openldap/2.4.45+dfsg-1ubuntu1.5
https://launchpad.net/ubuntu/+source/openldap/2.4.42+dfsg-2ubuntu3.8
Gloss