FastPatch for (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, does not require authentication for dagent/proxyreg.asp, which allows remote attackers to list, add, or delete PatchLink Distribution Point (PDP) proxy servers via modified (1) List, (2) Proxy, or (3) Delete parameters.

SQL injection vulnerability in checkprofile.asp in (1) PatchLink Update Server (PLUS) before 6.1 P1 and 6.2.x before 6.2 SR1 P1 and (2) Novell ZENworks 6.2 SR1 and earlier, allows remote attackers to execute arbitrary SQL commands via the agentid parameter.

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.

PatchLink Update client for Unix, as used by Novell ZENworks Patch Management Update Agent for Linux/Unix/Mac (LUM) 6.2094 through 6.4102 and other products, allows local users to (1) truncate arbitrary files via a symlink attack on the /tmp/patchlink.tmp file used by the logtrimmer script, and (2) execute arbitrary code via a symlink attack on the /tmp/plshutdown file used by the rebootTask script.