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地图 / lib/ldap.c follows attacker-controlled LDAP referrals and binds to a second server; WinLDAP builds leak current logon credentials (confirmed on Window

lib/ldap.c follows attacker-controlled LDAP referrals and binds to a second server; WinLDAP builds leak current logon credentials (confirmed on Window

身份认证 / 凭据保护不足 / #3756699

厂商
curl
严重程度
低危
赏金
—
弱点
凭据保护不足
研究员
@tpfeng
披露日期
2026-06-01
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(12474 字符中的一小部分)
Summary: curl's generic LDAP backend (`lib/ldap.c`) does not disable automatic LDAP referral chasing, unlike `lib/openldap.c`, which explicitly sets `LDAP_OPT_REFERRALS` to `LDAP_OPT_OFF`. As a result, a malicious first-hop LDAP server can return a referral to an attacker-controlled second LDAP …
原文中的代码
curl 8.21.0-DEV (Linux) libcurl/8.21.0-DEV OpenSSL/3.0.2 OpenLDAP/2.5.16
Release-Date: [unreleased]
Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns ldap mqtt mqtts pop3 pop3s rtsp smtp smtps telnet tftp ws wss
Features: alt-svc AsynchDNS HSTS IPv6 Largefile SSL …

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 @tpfeng · 版权归作者与 curl 所有

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