Advanced CSRF and Stateless Anti-CSRF - owasp

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The 3rd Submit • • Cookie value as parameter The cookie name • The cookie value
My Demo System is Being Released as an OWASP • https://www.owasp.org/index.php? title=OWASP_1-Liner • https://github.com/johnwilander/ owasp-1-liner
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Advanced CSRF and Stateless Anti-CS
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Some Quick CSRF Basics
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Cross-Site Request Forgery Request
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What’s on your mind? I love OWASP
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What’s on your mind? POST What’
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What’s on your mind? POST What’
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What’s on your mind? John: I hate
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Multi-Step, Semi-Blind CSRF
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Step 1 Step 2 Step 3 Forged request
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csrfMultiDriver.html invisible ifra
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Invisible iframe for timed GET
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When var IFRAME_ID the iframe's
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var IFRAME_GETTER = {}; IFRAME_GETT
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var IFRAME_GETTER = {}; IFRAME_GETT
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The onerror event will fire var IFR
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POST var IFRAME_ID = "1"; In
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var IFRAME_ID = "1"; called.
Page 39 and 40: var IFRAME_POSTER = {}; IFRAME_POST
Page 41 and 42: var IFRAME_POSTER = {}; IFRAME_POST
Page 43 and 44: eturn { checkIFrames : function() {
Page 45 and 46: There used to be a protection in we
Page 47 and 48: Forced Browsing wizard-style Shipme
Page 49 and 50: Forced Browsing wizard-style Token
Page 51 and 52: Forced Browsing wizard-style Token
Page 53 and 54: RIA & client-side state { ”purcha
Page 59 and 60: Can an attacker forge such a JSON s
Page 61 and 62: CSRF possible? { ”purchase”: {
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Page 65 and 66: Forms produce a request body that l
Page 67 and 68: like this: ... and that is accepta
Page 69 and 70: like this: ... and that is JSON!
Page 71 and 72: Important in your REST API • •
Page 73 and 74: Double Submit (CSRF protection) Ant
Page 75 and 76: Double Submit (CSRF protection) Ant
Page 77 and 78: Are We Fully Protected Now?
Page 79 and 80: The Other Subdomain https://securis
Page 81 and 82: The Other Subdomain https://securis
Page 83 and 84: I'm proposing some sort of Triple S
Page 85 and 86: Triple Submit (CSRF protection) Ran
Page 87 and 88: The 3rd Submit • The server sets
Page 89: The 3rd Submit • The server sets
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Advanced CSRF and Stateless Anti-CSRF - owasp

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