Directory traversal vulnerability in the minitar before 0.6 and archive-tar-minitar 0.5.2 gems for Ruby allows remote attackers to write to arbitrary files via a .. (dot dot) in a TAR archive entry.
https://security.gentoo.org/glsa/201702-32
https://puppet.com/security/cve/cve-2016-10173
https://github.com/halostatue/minitar/commit/e25205ecbb6277ae8a3df1e6a306d7ed4458b6e4
http://www.securityfocus.com/bid/95874
http://www.openwall.com/lists/oss-security/2017/01/29/1