Download e-book for kindle: Ajax Security by Billy Hoffman

By Billy Hoffman

ISBN-10: 0321491939

ISBN-13: 9780321491930

The Hands-On, useful advisor to combating Ajax-Related safety Vulnerabilities   progressively more sites are being rewritten as Ajax functions; even conventional machine software program is swiftly relocating to the internet through Ajax. yet, all too frequently, this transition is being made with reckless fail to remember for protection. If Ajax purposes aren’t designed and coded correctly, they are often prone to way more risky safety vulnerabilities than traditional net or laptop software program. Ajax builders desperately want information on securing their purposes: wisdom that’s been nearly most unlikely to discover, in the past.             Ajax safety systematically debunks today’s most threatening myths approximately Ajax defense, illustrating key issues with distinctive case experiences of tangible exploited Ajax vulnerabilities, starting from MySpace’s Samy trojan horse to MacWorld’s convention code validator. much more vital, it can provide particular, up to date ideas for securing Ajax purposes in every one significant internet programming language and atmosphere, together with .NET, Java, Hypertext Preprocessor, or even Ruby on Rails. You’ll how to:   ·        Mitigate certain hazards linked to Ajax, together with overly granular net prone, software keep an eye on stream tampering, and manipulation of software good judgment ·        Write new Ajax code extra safely—and determine and fasten flaws in present code ·        hinder rising Ajax-specific assaults, together with JavaScript hijacking and chronic garage robbery ·        stay away from assaults in response to XSS and SQL Injection—including a deadly SQL Injection variation that may extract a whole backend database with simply requests ·        Leverage safeguard outfitted into Ajax frameworks like Prototype, Dojo, and ASP.NET AJAX Extensions—and realize what you continue to needs to enforce by yourself ·        Create safer “mashup” functions   Ajax protection may be an necessary source for builders coding or preserving Ajax functions; architects and improvement managers making plans or designing new Ajax software program, and all software program safeguard pros, from QA experts to penetration testers.

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Client-side JavaScript suppresses the error, and it does not appear in her Web browser. Eve fires up another tool, her HTTP editor. This tool allows Eve to craft raw HTTP requests to the Web server instead of using find-and-replace rules in the proxy to inject malicious data. With a little trial and error, Eve determines that she can piggyback a SQL command on top of the date parameter inside of the JSON in her request. net’s database. NET Figure 2-6 Eve retrieves a list of all the user-defined tables in the Web site’s database with just a single query.

Net like any other target. She makes sure all her Web traffic is being recorded through an HTTP proxy on her local machine and begins browsing around the site. She creates an account, uses the search feature, enters data in the form to submit feedback, and begins booking a flight from Atlanta to Las Vegas. She notices that the site switches to SSL. She examines the SSL certificate and smiles: It is self-signed. Not only is this a big mistake when it comes to deploying secure Web sites, it’s also a sign of sloppy administrators or an IT department in a cash crunch.

The user is able to proceed with other actions while the long-running operation continues in the background. On the other hand, there are disadvantages to thick-client architecture as well. In general, it is difficult to make updates or changes to thick-client desktop applications. The user is usually required to shut down the application, completely uninstall it from his machine, reinstall the new version, then finally restart the newly upgraded application and pick up where he left off. If changes have been made to the server component as well, then it is likely that any user who has not yet upgraded his client will not be able to use the application.

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Ajax Security by Billy Hoffman

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