CVE-2026-111483: GnuTLS accepts non-successful OCSP staples
密码学缺陷 / Improper Check for Certificate Revocation / #4116076
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原文摘录
摘自原文（5178 字符中的一小部分）
In curl 8.23.0 built with GnuTLS, `--cert-status` (CURLOPT_SSL_VERIFYSTATUS) only checks that *some* stapled OCSP response was received. It no longer checks the response status or the certificate status inside it. A server presenting a revoked certificate can staple a bogus, unsigned 5-byte OCSP …
原文中的代码
rc = gnutls_ocsp_status_request_get(session, &status_request);
if(rc == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) {
failf(data, "No OCSP response received");
return CURLE_SSL_INVALIDCERTSTATUS;
}
else if(rc < 0) {
failf(data, "Invalid OCSP response received");
return …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。
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阅读 HackerOne 原文 ↗作者 @matty69v · 版权归作者与 curl 所有