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Ubuntu Security Notice USN-3895-1
February 26, 2019

ldb vulnerability
==========================================================================

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

– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

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

Software Description:
– ldb: LDAP-like embedded database – tools

Details:

It was discovered that LDB incorrectly handled certain search expressions.
A remote attacker could possibly use this issue to cause the Samba LDAP
process 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 18.10:
libldb1 2:1.4.0+really1.3.5-2ubuntu0.1

Ubuntu 18.04 LTS:
libldb1 2:1.2.3-1ubuntu0.1

Ubuntu 16.04 LTS:
libldb1 2:1.1.24-1ubuntu3.1

Ubuntu 14.04 LTS:
libldb1 1:1.1.24-0ubuntu0.14.04.2

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3895-1
CVE-2019-3824

Package Information:
https://launchpad.net/ubuntu/+source/ldb/2:1.4.0+really1.3.5-2ubuntu0.1
https://launchpad.net/ubuntu/+source/ldb/2:1.2.3-1ubuntu0.1
https://launchpad.net/ubuntu/+source/ldb/2:1.1.24-1ubuntu3.1
https://launchpad.net/ubuntu/+source/ldb/1:1.1.24-0ubuntu0.14.04.2

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