==========================================================================
Ubuntu Security Notice USN-4352-2
May 06, 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 if it received specially crafted
network traffic.
Software Description:
– 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.
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+esm2
Ubuntu 12.04 ESM:
slapd 2.4.28-1.1ubuntu4.10
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4352-2
https://usn.ubuntu.com/4352-1
CVE-2020-12243
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==========================================================================
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
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