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地图 / CRLF injection in libcurl's SMTP client via --mail-from and --mail-rcpt allows SMTP command smuggling

CRLF injection in libcurl's SMTP client via --mail-from and --mail-rcpt allows SMTP command smuggling

注入与走私 / CRLF 注入 / #3235428

厂商
curl
严重程度
低危
赏金
—
弱点
CRLF 注入
研究员
@skrcprst
披露日期
2025-07-03
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(9346 字符中的一小部分)
libcurl's SMTP client is vulnerable to CRLF injection via the `--mail-from` and `--mail-rcpt` parameters. An attacker can inject newline characters to smuggle SMTP commands like `VRFY`, potentially enabling user enumeration or protocol abuse. While curl may fail after injection, the injected …
原文中的代码
$ curl -V
curl 8.5.0 (x86_64-pc-linux-gnu) libcurl/8.5.0 OpenSSL/3.0.13 zlib/1.3 brotli/1.1.0 zstd/1.5.5 libidn2/2.3.7 libpsl/0.21.2 (+libidn2/2.3.7) libssh/0.10.6/openssl/zlib nghttp2/1.59.0 librtmp/2.3 OpenLDAP/2.6.7
Release-Date: 2023-12-06, security patched: 8.5.0-2ubuntu10.6
Protocols: dict …

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 @skrcprst · 版权归作者与 curl 所有

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