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地图 / CURLOPT_PROXY_CAINFO_BLOB silently activates native CA store on Apple builds

CURLOPT_PROXY_CAINFO_BLOB silently activates native CA store on Apple builds

业务逻辑 / 业务逻辑错误 / #3735179

厂商
curl
严重程度
低危
赏金
—
弱点
业务逻辑错误
研究员
@giant_anteater
披露日期
2026-05-19
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(3947 字符中的一小部分)
`CURLOPT_PROXY_CAINFO_BLOB` (introduced 7.77.0) never sets `proxy_ssl.custom_cablob`. On `USE_APPLE_SECTRUST` / `CURL_CA_NATIVE` builds this causes curl to silently fall back to the system keychain for proxy TLS verification, nullifying the caller's blob-only trust policy.
原文中的代码
/* CURLOPT_CAINFO_BLOB — correct */
if(Curl_ssl_supports(data, SSLSUPP_CAINFO_BLOB)) {
    s->ssl.custom_cablob = TRUE;          /* ← set */
    return Curl_setblobopt(&s->blobs[BLOB_CAINFO], blob);
}

/* CURLOPT_PROXY_CAINFO_BLOB — bug */
if(Curl_ssl_supports(data, SSLSUPP_CAINFO_BLOB))
    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。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @giant_anteater · 版权归作者与 curl 所有

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CURLOPT_PROXY_CAINFO_BLOB silently activates native CA store on Apple builds · 破甲 POJIA