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地图 / libcurl 8.20.0 incomplete fix for CVE-2026-7168: changing only CURLOPT_PROXYPORT leaks stale Proxy Digest auth to a different proxy

libcurl 8.20.0 incomplete fix for CVE-2026-7168: changing only CURLOPT_PROXYPORT leaks stale Proxy Digest auth to a different proxy

信息泄露 / Unlabeled / #3707747

厂商
curl
严重程度
低危
赏金
—
弱点
Unlabeled
研究员
@codexxxx
披露日期
2026-05-05
资产
https://github.com/curl/curl
CVE
CVE-2026-7168

该报告还没有中文解读。

原文摘录

摘自原文(3235 字符中的一小部分)
Summary: I found an incomplete-fix variant of CVE-2026-7168 in curl 8.20.0. The 8.20.0 fix clears `state.proxydigest` / `state.authproxy` when `CURLOPT_PROXY` changes, but not when only `CURLOPT_PROXYPORT` changes. On the same easy handle, request 1 through proxyA (`CURLOPT_PROXYPORT=18197`) learns …

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 @codexxxx · 版权归作者与 curl 所有

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