Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allow man-in-the-middle attackers to spoof the address bar by operating a proxy server that provides a 407 HTTP status code accompanied by web script, as demonstrated by a phishing attack on an HTTPS site.
The product does not validate, or incorrectly validates, a certificate.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Thunderbird_esr | Mozilla | * | * |
Thunderbird | Mozilla | * | * |
Seamonkey | Mozilla | * | * |
Firefox_esr | Mozilla | * | * |
Firefox | Mozilla | * | * |