Ubuntu 12.04 LTS / 14.04 LTS / 15.10 / 16.04 LTS : libarchive vulnerabilities (USN-2981-1)
Medium Nessus Plugin ID 91219
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionIt was discovered that libarchive incorrectly handled certain entry-size values in ZIP archives. A remote attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 15.10 and Ubuntu 16.04 LTS. (CVE-2016-1541)
It was discovered that libarchive incorrectly handled memory when processing certain tar files. A remote attacker could use this issue to cuase libarchive to crash, resulting in a denial of service. (CVE number pending).
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 libarchive12 and / or libarchive13 packages.