CVE-2013-0776

critical

Description

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.

References

Advisories
More

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16666

http://www.ubuntu.com/usn/USN-1748-1

http://www.ubuntu.com/usn/USN-1729-2

http://www.ubuntu.com/usn/USN-1729-1

http://www.debian.org/security/2013/dsa-2699

http://rhn.redhat.com/errata/RHSA-2013-0272.html

http://rhn.redhat.com/errata/RHSA-2013-0271.html

http://lists.opensuse.org/opensuse-updates/2013-02/msg00062.html

http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00017.html

https://bugzilla.mozilla.org/show_bug.cgi?id=796475

http://www.mozilla.org/security/announce/2013/mfsa2013-27.html

Details

Source: Mitre, NVD

Published: 2013-02-19

Updated: 2025-04-11

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00653