CVE-2018-1000544: rubyzip: arbitrary file write vulnerability / arbitrary code execution using a specially crafted zip file

Severity: Critical

CVSS Score: 9.8

rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..