USN-3807-1: NetworkManager vulnerability
5 November 2018
network-manager vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
NetworkManager could be made to crash or run programs if it received specially crafted network traffic.
Software Description
- network-manager - Network connection manager
Details
Felix Wilhelm discovered that the NetworkManager internal DHCPv6 client incorrectly handled certain DHCPv6 messages. In non-default configurations where the internal DHCP client is enabled, an attacker on the same network could use this issue to cause NetworkManager to crash, resulting in a denial of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- network-manager - 1.12.4-1ubuntu1.1
- Ubuntu 18.04 LTS
- network-manager - 1.10.6-2ubuntu1.1
- Ubuntu 16.04 LTS
- network-manager - 1.2.6-0ubuntu0.16.04.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the necessary changes.
References
from Ubuntu Security Notices https://ift.tt/2OtkKxg