Encoding is a set of predefined rules to reversibly transform a piece of information in a certain representation into a completely different representation. The other way round is called decoding.

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49
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6answers
10k views

Virus Encoded in Video

So I'm not familiar at all with IT Security, but I'm a bit curious about something. I was watching a TV show and at one point, a virus spreads through an office. They investigate and find out that the ...
6
votes
2answers
4k views

UTF-7 XSS attacks in modern browsers

I've recently read about utf-7 XSS-attacks (i.e. Ned Batchelders article at http://nedbatchelder.com/blog/200704/xss_with_utf7.html) but could not get any UTF-7 attack to work in modern browsers. (I ...
4
votes
2answers
8k views

HTML encoding to protect against XSS

While going through some references about protection against XSS i found that it is a good practice to encode data (entered by users) before using it to generate a dynamic page. I was not able to find ...
6
votes
2answers
2k views

Canonicalization & Output Encoding

I'm reading OWASP's Secure Coding Practices Checklist and under their "Input Validation" section they have an item that reads: If any potentially hazardous characters (<>"'%()&+\\'\") ...
0
votes
1answer
110 views

Dumping custom query via SQL injection when output is in the die() function?

On my localhost I have a PHP link like this abc.com/index.php?q=XYZ where XYZ is a base64encoded parameter that I have verified is injectable. When I try abc.com/index.php?q=XYZ' it returns You ...
1
vote
2answers
572 views

XSS via REQUEST_URI

Is there any situation where an XSS attack can be performed via the PHP $_SERVER['REQUEST_URI'] variable? For those unfamiliar with it: It contains the complete URL used to access that website, ...