地图 / OAuth `redirect_uri` bypass using IDN homograph attack resulting in user's access token leakage

OAuth `redirect_uri` bypass using IDN homograph attack resulting in user's access token leakage

信息泄露 / 信息泄露 / #861940

厂商: Semrush
严重程度: 低危 · CVSS 6.4
赏金: —
弱点: 信息泄露
研究员: @yassineaboukir
披露日期: 2020-06-18
资产: *.semrush.com
CVE: —

该报告还没有中文解读。

原文摘录

摘自原文（1694 字符中的一小部分）

Issue Summary: It was found that SEMrush OAuth implementation fails to properly validate the value of `redirect_uri` parameter which was bypassed using IDN homograph attack which results in leaking the user's access token to an attacker-controlled domain name.

原文中的代码

- sémrush.com
- sêmrush.com
- sèmrûsh.com
- šemrush.com
- etc.

默认不展示报告全文。以上为简短摘录，完整复现过程请阅读原文。版权归研究员与 Semrush 所有。

时间线

2020-04-29报告提交
2020-06-18公开披露

阅读 HackerOne 原文 ↗作者 @yassineaboukir · 版权归作者与 Semrush 所有

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