==========================================================================
Ubuntu Security Notice USN-4622-2
November 11, 2020
openldap vulnerability
==========================================================================
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 or run programs if it received
specially crafted network traffic.
Software Description:
– openldap: Lightweight Directory Access Protocol
Details:
USN-4622-1 fixed a vulnerability 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 network
packets. A remote attacker could use this issue to cause OpenLDAP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
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+esm3
Ubuntu 12.04 ESM:
slapd 2.4.28-1.1ubuntu4.11
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4622-2
https://usn.ubuntu.com/4622-1
CVE-2020-25692
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