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Adding an extra check for cert.subject before assuming it is there. #2556

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4 changes: 3 additions & 1 deletion lib/tls.js
Original file line number Diff line number Diff line change
Expand Up @@ -177,10 +177,12 @@ exports.checkServerIdentity = function checkServerIdentity(host, cert) {
reason = util.format('Host: %s is not in the cert\'s altnames: %s',
host,
cert.subjectaltname);
} else {
} else if (cert.subject) {
reason = util.format('Host: %s is not cert\'s CN: %s',
host,
cert.subject.CN);
} else {
reason = util.format('Host: %s cert\'s subject is missing', host);
}
}
} else {
Expand Down