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地图 / TFTP upload ignores --continue-at / CURLOPT_RESUME_FROM and leaks skipped local file prefix

TFTP upload ignores --continue-at / CURLOPT_RESUME_FROM and leaks skipped local file prefix

信息泄露 / Information Exposure Through Sent Data / #3776433

厂商
curl
严重程度
低危
赏金
—
弱点
Information Exposure Through Sent Data
研究员
@bowen111
披露日期
2026-06-05
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(8796 字符中的一小部分)
TFTP uploads ignore the configured resume offset. When a caller runs `curl -C N -T file tftp://...` or uses libcurl with `CURLOPT_UPLOAD` and `CURLOPT_RESUME_FROM*`, curl should skip the first `N` bytes of the local source before uploading. Instead, the TFTP code sends the complete local file from …
原文中的代码
curl 8.21.0-DEV (Linux) libcurl/8.21.0-DEV OpenSSL/3.0.13 zlib/1.3 brotli/1.1.0 zstd/1.5.5
Release-Date: [unreleased]
Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns mqtt mqtts pop3 pop3s rtsp smtp smtps telnet tftp ws wss
Features: alt-svc AsynchDNS brotli HSTS …

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 @bowen111 · 版权归作者与 curl 所有

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