USN-3895-1: LDB vulnerability

Releases

• Ubuntu 18.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• 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

• libldb1 - 2:1.2.3-1ubuntu0.1

Ubuntu 16.04

• libldb1 - 2:1.1.24-1ubuntu3.1

Ubuntu 14.04

• 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

• CVE-2019-3824