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地图 / 33: CONNECT_ONLY raw I/O selects wrong connection after CURLOPT_SHARE detach (incomplete fix for CVE-2020-8231)

33: CONNECT_ONLY raw I/O selects wrong connection after CURLOPT_SHARE detach (incomplete fix for CVE-2020-8231)

其他弱点 / Unlabeled / #3971585

厂商
curl
严重程度
未评级
赏金
—
弱点
Unlabeled
研究员
@giant_anteater
披露日期
2026-08-31
资产
https://github.com/curl/curl
CVE
CVE-2020-8231

该报告还没有中文解读。

原文摘录

摘自原文(3147 字符中的一小部分)
After a completed `CURLOPT_CONNECT_ONLY` transfer, detaching the shared connection pool via `curl_easy_setopt(easy, CURLOPT_SHARE, NULL)` causes `curl_easy_send()` / `curl_easy_recv()` to silently operate on an unrelated connection from a different pool. Data intended for server B is sent to server …
原文中的代码
docker build -t curl-33-poc -f poc/Dockerfile .
docker run --rm curl-33-poc

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 @giant_anteater · 版权归作者与 curl 所有

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