CVE-2016-2831

MEDIUM

Description

Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 do not ensure that the user approves the fullscreen and pointerlock settings, which allows remote attackers to cause a denial of service (UI outage), or conduct clickjacking or spoofing attacks, via a crafted web site.

References

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.html

http://www.debian.org/security/2016/dsa-3600

http://www.mozilla.org/security/announce/2016/mfsa2016-58.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

http://www.securityfocus.com/bid/91075

http://www.securitytracker.com/id/1036057

http://www.ubuntu.com/usn/USN-2993-1

https://access.redhat.com/errata/RHSA-2016:1217

https://bugzilla.mozilla.org/show_bug.cgi?id=1261933

Details

Source: MITRE

Published: 2016-06-13

Updated: 2018-10-30

Type: CWE-254

Risk Information

CVSS v2.0

Base Score: 5.8

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P

Impact Score: 4.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 8.8

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

Impact Score: 5.3

Exploitability Score: 2.8

Severity: HIGH