Wildcard Character Spoofing Vulnerability in NSS Certificate-Checking Implementation

CVE-2014-1492 · MEDIUM Severity

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

The cert_TestHostName function in lib/certdb/certdb.c in the certificate-checking implementation in Mozilla Network Security Services (NSS) before 3.16 accepts a wildcard character that is embedded in an internationalized domain name's U-label, which might allow man-in-the-middle attackers to spoof SSL servers via a crafted certificate.

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