Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : libidn vulnerability (USN-3434-1)
High Nessus Plugin ID 103645
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionIt was discovered that Libidn incorrectly handled decoding certain digits. A remote attacker could use this issue to cause Libidn 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 libidn11 package.