Address Bar Spoofing Vulnerability in Mozilla Firefox, Thunderbird, and SeaMonkey

CVE-2013-0776 · MEDIUM Severity

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

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.

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