[USN-4634-2] OpenLDAP vulnerabilities
Leonidas S. Barbosa
leo.barbosa at canonical.com
Mon Nov 23 13:06:52 UTC 2020
==========================================================================
Ubuntu Security Notice USN-4634-2
November 23, 2020
openldap vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
Summary:
OpenLDAP could be made to crash if it received specially crafted network
traffic.
Software Description:
- openldap: Lightweight Directory Access Protocol
Details:
USN-4634-1 fixed several vulnerabilities in OpenLDAP. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that OpenLDAP incorrectly handled certain malformed
inputs. A remote attacker could possibly use this issue to cause OpenLDAP
to crash, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 ESM:
slapd 2.4.31-1+nmu2ubuntu8.5+esm4
Ubuntu 12.04 ESM:
slapd 2.4.28-1.1ubuntu4.12
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4634-2
https://usn.ubuntu.com/4634-1
CVE-2020-25709, CVE-2020-25710
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