Captcha Bypass in Snapchat's Geofilter Submission Process
业务逻辑 / 违反安全设计原则（按标题归类） / #54641
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原文摘录
摘自原文（6482 字符中的一小部分）
**Overview:** Snapchat provides a form in which users can submit "Geofilters". These are filters which get applied to users snaps when they are in specific geolocations. The form (https://www.snapchat.com/geofilters/submit.html) allows for the submission of these "Geofilters" as an anonymous user.
原文中的代码
POST /_ah/api/geofilter/v1/submission HTTP/1.1 Host: geofilter-dot-feelinsonice-hrd.appspot.com Connection: keep-alive Content-Length: 496 Snapchat-CSRF-Protection: not-a-secret Origin: https://www.snapchat.com g-recaptcha-response: I_love_cats_and_kittens_and_all_fluffy_things User-Agent: …
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阅读 HackerOne 原文 ↗作者 @zero · 版权归作者与 Snapchat 所有