Ubuntu 18.10 USN-3895-1 Moderate: ldb Denial of Service Issue

ubuntu

February 26, 2019

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

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.

Topics Covered

security advisory denial of service Ubuntu update instructions ldb

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.