[USN-3895-1] LDB vulnerability

[Marc Deslauriers]

==========================================================================
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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