CVE-2016-2831

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.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.78% Top 30%
Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1036057 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2016:1217 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html mailing list third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2993-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.html mailing list third party advisory vendor advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-58.html vendor advisory
http://www.securityfocus.com/bid/91075 vdb entry
http://www.debian.org/security/2016/dsa-3600 third party advisory vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1261933 issue tracking permissions required

Frequently Asked Questions

What is the severity of CVE-2016-2831?
CVE-2016-2831 has been scored as a high severity vulnerability.
How to fix CVE-2016-2831?
To fix CVE-2016-2831, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-2831 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-2831 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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