SWAT 4 1.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a (1) VERIFYCONTENT or (2) GAMECONFIG command sent to the server before user session initialization, which triggers a NULL pointer dereference; or (3) a GAMESPYRESPONSE command followed by a long RS string.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.