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The darwinssl_connect_step1 function in lib/vtls/curl_darwinssl.c in libcurl 7.31.0 through 7.39.0, when using the DarwinSSL (aka SecureTransport) back-end for TLS, does not check if a cached TLS session validated the certificate when reusing the session, which allows man-in-the-middle attackers to spoof servers via a crafted certificate.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Apache | — | Apply OS X security update 2015-006Upgrade macOS to the latest version | Aug 28, 2015 | Jan 15, 2015 |
| Apple Osx Curl | — | Upgrade macOS to the latest version | Mar 29, 2016 | Jan 15, 2015 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Oct 30, 2017 | Jan 15, 2015 |
| Oracle Solaris | — | Upgrade entire/ to version 11.4-11.4.0.0.1.15.0 on Solaris 11.4 | Oct 19, 2018 | Jan 15, 2015 |
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