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地图 / SMTP connection reuse ignores --ssl-reqd / CURLOPT_USE_SSL and reuses a clear-text STARTTLS session on current master

SMTP connection reuse ignores --ssl-reqd / CURLOPT_USE_SSL and reuses a clear-text STARTTLS session on current master

密码学缺陷 / 敏感信息明文传输 / #3770979

厂商
curl
严重程度
低危
赏金
—
弱点
敏感信息明文传输
研究员
@hualuo
披露日期
2026-06-03
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(9557 字符中的一小部分)
Summary: Current master reintroduces a STARTTLS connection-reuse bug in SMTP. After commit `91dcf4e610` (`url: url_match_destination fix`), curl/libcurl can reuse an already-established clear-text `smtp://` session for a later logical request that explicitly requires TLS via `--ssl-reqd` or …
原文中的代码
set -euo pipefail

ROOT="$PWD"
TMPDIR="$(mktemp -d)"
trap 'jobs -p | xargs -r kill 2>/dev/null || true; rm -rf "$TMPDIR"' EXIT

find_curl_bin() {
  local cand out
  for cand in "$ROOT"/build-*/src/curl "$ROOT"/src/curl; do
    [ -x "$cand" ] || continue
    out="$("$cand" --version 2>/dev/null || …

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 @hualuo · 版权归作者与 curl 所有

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