A Study In Scarlet - Exploiting Common Vulnerabilities in PHP Applications

    Date06 Jul 2001
    3910
    Posted ByAnthony Pell
    This paper is based on my speech during the Blackhat briefings in Singapore and Hong Kong in April 2001. The speech was entitled "Breaking In Through the Front Door - The impact of Web Applications and Application Service Provision on Traditional . . . This paper is based on my speech during the Blackhat briefings in Singapore and Hong Kong in April 2001. The speech was entitled "Breaking In Through the Front Door - The impact of Web Applications and Application Service Provision on Traditional Security Models". It initially discussed the trend towards Web Applications (and ASP) and the holes in traditional security methodology exposed by this trend. However, that's a long and boring discussion so I'll save it for the policy makers.

    The rest of the speech was spent talking about PHP. For those reading this paper who don't know what PHP is, PHP stands for "PHP Hypertext Preprocessor". It's a programming language (designed specifically for the Web) in which PHP code is embedded in web pages. When a client requests a page, the Web Server first passes the page to the language interpreter so the code can be executed, the resulting page is then returned to the client.

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