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USN-4352-2: OpenLDAP vulnerability

6 May 2020

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

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Releases

Packages

  • openldap - Lightweight Directory Access Protocol

Details

USN-4352-1 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 queries. A
remote attacker could possibly use this issue to cause OpenLDAP to consume
resources, resulting in a denial of service.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04
Ubuntu 12.04

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

References

Related notices

  • USN-4352-1: libldap2-dev, slapi-dev, ldap-utils, openldap, libldap-2.4-2, slapd-smbk5pwd, libldap-common, slapd-contrib, slapd

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Further reading