USN-4018-1: samba vulnerabilities

19 June 2019

samba vulnerabilities

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

  • Ubuntu 19.04

Summary

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

Software Description

  • samba - SMB/CIFS file, print, and login server for Unix

Details

It was discovered that Samba incorrectly handled certain RPC messages. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2019-12435)

It was discovered that Samba incorrectly handled LDAP pages searches. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2019-12436)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
samba - 2:4.10.0+dfsg-0ubuntu2.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References