Ubuntu Security Notice USN-3341-1
27th June, 2017
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
- Ubuntu 16.10
systemd-resolved could be made to crash or run programs if it received a specially crafted DNS response.
- systemd - system and service manager
An out-of-bounds write was discovered in systemd-resolved when handling
specially crafted DNS responses. A remote attacker could potentially
exploit this to cause a denial of service (daemon crash) or execute
arbitrary code. (CVE-2017-9445)
The problem can be corrected by updating your system to the following package version:
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.