{"schemaVersion":3,"id":"CVE-2013-6422","aliases":["DEBIAN-CVE-2013-6422","DSA-2824-1"],"status":"published","duplicateOf":null,"title":null,"description":"The GnuTLS backend in libcurl 7.21.4 through 7.33.0, when disabling digital signature verification (CURLOPT_SSL_VERIFYPEER), also disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) 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