Absolute path traversal vulnerability in GNU Wget before 1.16, when recursion is enabled, allows remote FTP servers to write to arbitrary files, and consequently execute arbitrary code, via a LIST response that references the same filename within two entries, one of which indicates that the filename is for a symlink. The issue was first reported in CVE-2014-4877
Updating GNU WGET
The issue was fixed with the release of GNU WGET 1.16. The updates can be found here:
and the GPG detached signatures using the key E163E1EA:
In wget versions 1.15 and earlier, configure retr-symlinks=on in /etc/wgetrc or ~/.wgetrc or specify --retr-symlinks as a command line option to wget.