WebSpeed 3.x in OpenEdge 10.x in Progress Software Progress 9.1e, and certain other 9.x versions, allows remote attackers to cause a denial of service (infinite loop and daemon hang) via a messenger URL that invokes _edit.r with no additional parameters, as demonstrated by requests for cgiip.exe or wsisa.dll with WService=wsbroker1/_edit.r in the PATH_INFO.
- http://progress.atgnow.com/esprogress/resultDisplay.do?gotoLink=115&docType=1006&clusterName=CombinedCluster&contentId=12&groupId=3&answerGroup=1&score=1932&page=http%3A%2F%2Fprogress.atgnow.com%2Fesprogress%2Fdocs%2FSolutions%2FProgress%2FESERVER_P123694.xhtml&result=0&excerpt=P123694
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