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:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3341-1: Systemd vulnerability
