nodejs-tar: Insufficient symlink protection due to directory cache poisoning using symbolic links allowing arbitrary file creation and overwrite

A flaw was found in the npm package "tar" aka node-tar. Extracting tar files that contain both a directory and a symlink with the same name, where the symlink and directory names in the archive entry used backslashes as a path separator, made it possible to bypass node-tar symlink checks on...

nodejs-tar: Insufficient symlink protection due to directory cache poisoning using symbolic links allowing arbitrary file creation and overwrite

A flaw was found in the npm package "tar" aka node-tar. Extracting tar files that contain both a directory and a symlink with the same name, where the symlink and directory names in the archive entry used backslashes as a path separator, made it possible to bypass node-tar symlink checks on...