Synopsis
The remote Ubuntu host is missing one or more security-related patches.
Description
Hanno Bock discovered that libarchive contained multiple security issues when processing certain malformed archive files. A remote attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-8916, CVE-2015-8917 CVE-2015-8919, CVE-2015-8920, CVE-2015-8921, CVE-2015-8922, CVE-2015-8923, CVE-2015-8924, CVE-2015-8925, CVE-2015-8926, CVE-2015-8928, CVE-2015-8930, CVE-2015-8931, CVE-2015-8932, CVE-2015-8933, CVE-2015-8934, CVE-2016-5844)
Marcin 'Icewall' Noga discovered that libarchive contained multiple security issues when processing certain malformed archive files. A remote attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2016-4300, CVE-2016-4302)
It was discovered that libarchive incorrectly handled memory allocation with large cpio symlinks. A remote attacker could use this issue to possibly cause libarchive to crash, resulting in a denial of service. (CVE-2016-4809).
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.
Solution
Update the affected libarchive12 and / or libarchive13 packages.