Directory traversal vulnerability in (a) PatchLink Update Server (PLUS) before 6.1 P1 and 6.2.x before 6.2 SR1 P1 and (b) Novell ZENworks 6.2 SR1 and earlier allows remote attackers to overwrite arbitrary files and directories via a .. (dot dot) sequence in the (1) action, (2) agentid, or (3) index parameters to dagent/nwupload.asp, which are used as pathname components.