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地图 / URI scheme bypass in mail app lead to HTML content spoof and opener control

URI scheme bypass in mail app lead to HTML content spoof and opener control

业务逻辑 / 违反安全设计原则(按标题归类) / #175085

厂商
Nextcloud
严重程度
未评级
赏金
—
弱点
违反安全设计原则(按标题归类)
研究员
@trichimtrich_
披露日期
2017-01-12
资产
—
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(1556 字符中的一小部分)
Bug When we load a HTML mail from mailbox via api, etc `http://nextcloud/index.php/apps/mail/accounts/<accountID>/folders/SU5CT1g=/messages/<mailID>/html` Our content will be passed to HTML Purifier to strip malicious XSS patterns. After that, an filter will apply to transform acceptable URI …
原文中的代码
<h1>test schema</h1>
<p>
	<a href="http://file.trich.im">Link via redirect</a><br>
	<a href='ftp://chim:chim@localhost/hihi.html'>Bypass link</a>
</p>

<p>
	Filtered img<img src='http://192.168.200.117/nextcloud/index.php/s/HUw7Cwa40Phlt8v/download'><br>
	Bypass img <img …

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 Nextcloud 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @trichimtrich_ · 版权归作者与 Nextcloud 所有

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