| Package | Affected versions | Patched versions |
|---|---|---|
| curl | = 7.18.0= 7.18.1= 7.18.2= 7.19.0= 7.19.1= 7.19.2= 7.19.3= 7.19.4= 7.19.5= 7.19.6= 7.19.7= 7.20.0= 7.20.1= 7.21.0= 7.21.1= 7.21.2= 7.21.3= 7.21.4= 7.21.5= 7.21.6= 7.21.7= 7.22.0= 7.23.0= 7.23.1= 7.24.0= 7.25.0= 7.26.0= 7.27.0= 7.28.0= 7.28.1= 7.29.0= 7.30.0= 7.31.0= 7.32.0 | |
| libcurl | = 7.18.0= 7.18.1= 7.18.2= 7.19.0= 7.19.1= 7.19.2= 7.19.3= 7.19.4= 7.19.5= 7.19.6= 7.19.7= 7.20.0= 7.20.1= 7.21.0= 7.21.1= 7.21.2= 7.21.3= 7.21.4= 7.21.5= 7.21.6= 7.21.7= 7.22.0= 7.23.0= 7.23.1= 7.24.0= 7.25.0= 7.26.0= 7.27.0= 7.28.0= 7.28.1= 7.29.0= 7.30.0= 7.31.0= 7.32.0 |
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.
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