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medium4.3

CVE-2013-4545

cURL and libcurl 7.18.0 through 7.32.0, when built with OpenSSL, disables the certificate CN and SAN name field verification (CURLOPT_SSL_VERIFYHOST) when the …

Impact

cURL and libcurl 7.18.0 through 7.32.0, when built with OpenSSL, disables the certificate CN and SAN name field verification (CURLOPT_SSL_VERIFYHOST) when the digital signature verification (CURLOPT_SSL_VERIFYPEER) is disabled, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Affected products

VendorProductAffected versions
HaxxCurl
Versions 7.18.0, 7.18.1, 7.18.2, 7.19.0, 7.19.1, 7.19.2
HaxxLibcurl
Versions 7.18.0, 7.18.1, 7.18.2, 7.19.0, 7.19.1, 7.19.2

Weakness classification

CWE-310

References