In this scenario, libcurl first uses a proper HTTP\/3 server for the initial
\ntransfers, and when it makes a second transfer to the same site it has been
\nreplaced by the attacker’s impostor machine – without a valid certificate.<\/p>\n
When libcurl returns to the hostname the second time with a cached SSL session
\n(`CURLOPT_SSL_SESSIONID_CACHE` is not disabled) and early data enabled (the
\n`CURLSSLOPT_EARLYDATA` bit is set in `CURLOPT_SSL_OPTIONS`), libcurl might
\nsend off the second request’s bytes on that new connection *before* enforcing
\nthe certificate verification failure. Potentially leaking sensitive
\ninformation.<\/p>\n","protected":false},"excerpt":{"rendered":"
In this scenario, libcurl first uses a proper HTTP\/3 server for the initial
\ntransfers, and when it makes a second transfer to the same site it has been
\nreplaced by the attacker’s impostor machine – wi<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-12790","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/12790","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}