USN-3143-1: c-ares vulnerability
30 November 2016
c-ares could be made to crash or run programs if it processed a specially crafted hostname.
Releases
Packages
- c-ares - library for asynchronous name resolves
Details
Gzob Qq discovered that c-ares incorrectly handled certain hostnames. A
remote attacker could use this issue to cause applications using c-ares 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 16.10
Ubuntu 16.04
Ubuntu 14.04
Ubuntu 12.04
In general, a standard system update will make all the necessary changes.