The Blueberry FlashBack ActiveX control in BB FlashBack Recorder.dll in Blueberry BB FlashBack, as used in IBM Rational Rhapsody before 7.6.1 and other products, does not properly implement the (1) Start, (2) PauseAndSave, (3) InsertMarker, and (4) InsertSoundToFBRAtMarker methods, which allows remote attackers to execute arbitrary code via unspecified vectors.