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地图 / curl CONNECT response header colon-check bypass in cf-h1-proxy single_header — proxy authentication bypass via injected HTTP/1.x status line

curl CONNECT response header colon-check bypass in cf-h1-proxy single_header — proxy authentication bypass via injected HTTP/1.x status line

身份认证 / 认证缺陷(通用) / #4053116

厂商
curl
严重程度
中危
赏金
—
弱点
认证缺陷(通用)
研究员
@noraqiu
披露日期
2026-10-19
资产
https://github.com/curl/curl
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(7971 字符中的一小部分)
In the HTTP/1.1 proxy-CONNECT response parser (`lib/cf-h1-proxy.c`, `single_header()`), the per-line counter `data->req.headerline` (a.k.a. `k->headerline`) is never incremented — only the tunnel-local `ts->headerlines` is. `Curl_req_soft_reset()` resets `k->headerline` to 0 before the CONNECT …
原文中的代码
   HTTP/1.1 407 Proxy Authentication Required\r\n
   Proxy-Authenticate: Basic realm="proxy"\r\n
   HTTP/1.1 200 OK: x\r\n
   Content-Length: 0\r\n
   \r\n
   

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

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

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