USN-3341-1: Systemd vulnerability
Ubuntu Security Notice USN-3341-1
27th June, 2017
systemd vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
- Ubuntu 16.10
Summary
systemd-resolved could be made to crash or run programs if it received a specially crafted DNS response.
Software description
- systemd - system and service manager
Details
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)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 17.04:
- systemd 232-21ubuntu5
- Ubuntu 16.10:
- systemd 231-9ubuntu5
To update your system, please follow these instructions: http://ift.tt/17VXqjU.
In general, a standard system update will make all the necessary changes.
References
from Ubuntu Security Notices http://ift.tt/2siqqPH