SSH host-key policy is missing from the connection-reuse tuple: strict pins and knownhosts are silently skipped on reused SFTP/SCP connections
身份认证 / Authentication Bypass by Primary Weakness / #4126768
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原文摘录
摘自原文（12107 字符中的一小部分）
(The core effect is a silent host-authentication bypass: a transfer whose configured SSH host-key policy would reject the server is served anyway, with exit code 0 and no warning, because it reuses a pooled connection established under a weaker or absent policy. curl may assess this lower because …
原文中的代码
static bool ssh_config_matches(struct connectdata *one,
struct connectdata *two)
{
struct ssh_conn *sshc1, *sshc2;
sshc1 = Curl_conn_meta_get(one, CURL_META_SSH_CONN);
sshc2 = Curl_conn_meta_get(two, CURL_META_SSH_CONN);
return sshc1 && sshc2 && …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 @cyrax21_ · 版权归作者与 curl 所有