CURLSHOPT_UNSHARE race can cause UAF in shared SSL session cache during HTTPS transfer
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原文摘录
摘自原文（8478 字符中的一小部分）
`CURLSHOPT_UNSHARE` can free a shared SSL session cache while another thread is starting a normal HTTPS transfer with the same share handle. The failing transfer reaches the cache through `curl_easy_perform()`, during the OpenSSL handshake. libcurl appears to try to reject this kind of lifetime …
原文中的代码
curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_SSL_SESSION) curl_share_setopt(share, CURLSHOPT_UNSHARE, CURL_LOCK_DATA_SSL_SESSION)
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阅读 HackerOne 原文 ↗作者 @smaeljaish771 · 版权归作者与 curl 所有