Multiple directory traversal vulnerabilities in IZArc Archiver 3.5 beta 3 allow remote attackers to write arbitrary files via a ..\ (dot dot backslash) in a (1) .rar, (2) .tar, (3) .zip, (4) .jar, or (5) .gz archive.  NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.