Arbitrary Valid Certificate Spoofing Vulnerability in cURL and libcurl

CVE-2016-3739 · LOW Severity

AV:N/AC:H/AU:N/C:N/I:P/A:N

The (1) mbed_connect_step1 function in lib/vtls/mbedtls.c and (2) polarssl_connect_step1 function in lib/vtls/polarssl.c in cURL and libcurl before 7.49.0, when using SSLv3 or making a TLS connection to a URL that uses a numerical IP address, allow remote attackers to spoof servers via an arbitrary valid certificate.

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