GNU wget before 1.18 allows remote servers to write to arbitrary files by redirecting a request from HTTP to a crafted FTP resource.
git.savannah.gnu.org/cgit/wget.git/commit/?id=e996e322ffd42aaa051602da182d03178d0f13e1
lists.gnu.org/archive/html/info-gnu/2016-06/msg00004.html
lists.opensuse.org/opensuse-updates/2016-08/msg00043.html
packetstormsecurity.com/files/162395/GNU-wget-Arbitrary-File-Upload-Code-Execution.html
rhn.redhat.com/errata/RHSA-2016-2587.html
www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
www.securityfocus.com/bid/91530
www.securitytracker.com/id/1036133
www.ubuntu.com/usn/USN-3012-1
bugzilla.redhat.com/show_bug.cgi?id=1343666
security.gentoo.org/glsa/201610-11
security.paloaltonetworks.com/CVE-2016-4971
www.exploit-db.com/exploits/40064/