asp,PHP and. net forge HTTP-REFERER method and forgery preventing REFERER-bug warning-the black bar safety net

HTTP-REFERER this variable has been increasingly unreliable, and completely is what can be forged out of the stuff. The following is the forged method: ASP/Visual Basic code dim http set http=server. createobject"MSXML2. XMLHTTP" '//MSXML2. serverXMLHTTP also can Http. open "GET",url,false Http...

PhpWind anti-theft chain plug-in Showpic. php local file read vulnerability-vulnerability warning-the black bar safety net

Vulnerability file: showpic.php str=$SERVER'QUERYSTRING'; $img=base64decode$str; $codelen=strlen$safeguard;//get the additional code length $img=substr$img,$codelen; //remove the additional code readfile$img; Submitted parameters are base64 encoded directly using readfile to read the file,so you...