The cert_TestHostName function in Mozilla before 1.7, Firefox before 0.9, and Thunderbird before 0.7, only checks the hostname portion of a certificate when the hostname portion of the URI is not a fully qualified domain name (FQDN), which allows remote attackers to spoof trusted certificates.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Thunderbird | Mozilla | * | 0.7 |
Firefox | Mozilla | * | 0.9 |
Mozilla | Mozilla | * | 1.7 |