[USN-4634-1] OpenLDAP vulnerabilities

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[USN-4634-1] OpenLDAP vulnerabilities

Marc Deslauriers-3
Ubuntu Security Notice USN-4634-1
November 17, 2020

openldap vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS


OpenLDAP could be made to crash if it received specially crafted network

Software Description:
- openldap: Lightweight Directory Access Protocol


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 20.10:
  slapd                           2.4.53+dfsg-1ubuntu1.2

Ubuntu 20.04 LTS:
  slapd                           2.4.49+dfsg-2ubuntu1.5

Ubuntu 18.04 LTS:
  slapd                           2.4.45+dfsg-1ubuntu1.8

Ubuntu 16.04 LTS:
  slapd                           2.4.42+dfsg-2ubuntu3.11

In general, a standard system update will make all the necessary changes.

  CVE-2020-25709, CVE-2020-25710

Package Information:

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