CVE-2018-12939: Improper Limitation of a Pathname to a Restricted Directory

A directory traversal flaw in SeedDMS formerly LetoDMS and MyDMS before 5.1.8 allows an authenticated attacker to write to or potentially delete arbitrary files via a .. dot dot in the "op/op.UploadChunks.php" "qquuid" parameter. NOTE: this can be leveraged to execute arbitrary code by using...