HTTP header injection: Difference between revisions

Revision as of 10:29, 3 January 2023

Revision as of 14:29, 5 March 2023

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{{HTTP}}

'''HTTP header injection''' is a general class of [[web application]] [[security vulnerability]] which occurs when [[Hypertext Transfer Protocol]] (HTTP) [[list of HTTP headers|headers]] are dynamically generated based on user input. Header injection in HTTP responses can allow for [[HTTP response splitting]], [[Sessionsession fixation]] via the Set-Cookie header, [[cross-site scripting]] (XSS), and malicious redirect attacks via the ___location header. HTTP header injection is a relatively new area for web-based attacks, and has primarily been pioneered by Amit Klein in his work on request/response smuggling/splitting.<ref>Linhart, Klein, Heled, and Orrin: [http://www.cgisecurity.com/lib/HTTP-Request-Smuggling.pdf HTTP Request Smuggling], 2005, Watchfire Corporation. Retrieved on 22 December 2015</ref>

== Sources ==