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地图 / OpenSSL `--cert-status` accepts indefinitely stale GOOD OCSP staples

OpenSSL `--cert-status` accepts indefinitely stale GOOD OCSP staples

密码学缺陷 / Improper Check for Certificate Revocation / #4125601

厂商
curl
严重程度
低危
赏金
—
弱点
Improper Check for Certificate Revocation
研究员
@stze
披露日期
2026-10-26
资产
https://github.com/curl/curl
CVE
CVE-2020-8286CVE-2024-8096CVE-2026-7009CVE-2026-93493

该报告还没有中文解读。

原文摘录

摘自原文(9998 字符中的一小部分)
When curl uses its OpenSSL backend with `CURLOPT_SSL_VERIFYSTATUS` (the `--cert-status` tool option), a correctly signed OCSP response can be accepted forever if its optional `nextUpdate` field is absent. curl passes `-1` as OpenSSL's maximum permitted age for `thisUpdate`, explicitly disabling the …
原文中的代码
if(!OCSP_check_validity(thisupd, nextupd, 300L, -1L)) {

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 @stze · 版权归作者与 curl 所有

同类报告

CVE-2024-0853: OCSP verification bypass with TLS session reusecurl · 2024-01-31CURLOPT_PROXY_CRLFILE / CURLOPT_PROXY_ISSUERCERT / CURLOPT_PROXY_ISSUERCERT_BLOB silently ignored on backends that don't support themcurl · 2026-06-05--cert-status with OpenSSL accepts a stapled OCSP response of any age when it lacks nextUpdate (revoked certificate keeps passing)curl · 2026-10-23CVE-2026-111483: GnuTLS accepts non-successful OCSP staplescurl · 2026-10-26