Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : c-ares vulnerability (USN-3143-1)
High Nessus Plugin ID 95428
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionGzob 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.
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected libc-ares2 package.