← 返回地图破甲

IDN decoding inserts authority delimiters and can redirect proxy CONNECT to a different host

服务端请求伪造 / SSRF / #4129950

厂商
curl
严重程度
中危
赏金
—
弱点
SSRF
研究员
@zefanxu
披露日期
2026-10-21
资产
https://github.com/curl/curl
CVE
CVE-2016-8625CVE-2022-42916

该报告还没有中文解读。

原文摘录

摘自原文(10566 字符中的一小部分)
IDN decoding can insert authority delimiters: CURLU_PUNYCODE output does not
原文中的代码
set-url: 0 (No error)
host: 0 [trusted.example@evil.example]
punycode-host: 0 [[email protected]]
punycode-host-as-host: 21 (Bad hostname)
punycode-url: 0 [https://[email protected]/x]
reparse: 0 (No error)
reparsed-host: [evil.example]
reparsed-user: [trusted.example]

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 curl 所有。

时间线

阅读 HackerOne 原文 ↗作者 @zefanxu · 版权归作者与 curl 所有

同类报告

SSRF in Exchange leads to ROOT access in all instancesShopify · 2018-05-23Server Side Request Forgery (SSRF) via Analytics ReportsHackerOne · 2023-12-08 · $25,000Server-Side Request Forgery using Javascript allows to exfill data from Google MetadataSnapchat · 2020-11-30Server Side Request Forgery (SSRF) at app.hellosign.com leads to AWS private keys disclosureDropbox · — · $4,913SSRF on project import via the remote_attachment_url on a NoteGitLab · 2020-06-07 · $10,000Server Side Request Forgery mitigation bypassGitLab · 2020-04-18