CVE-2016-2831
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H
- EPSS
- 1.35% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-254, CWE-284
- Affected
- canonical/ubuntu linux · mozilla/firefox · debian/debian linux · opensuse/leap · opensuse/opensuse
- Source
- security@mozilla.org
References
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.htmlMailing List, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3600Third Party Advisory
- http://www.mozilla.org/security/announce/2016/mfsa2016-58.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/91075
- http://www.securitytracker.com/id/1036057Third Party Advisory
- http://www.ubuntu.com/usn/USN-2993-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1217Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1261933Issue Tracking, Permissions Required
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.htmlMailing List, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3600Third Party Advisory
- http://www.mozilla.org/security/announce/2016/mfsa2016-58.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/91075
- http://www.securitytracker.com/id/1036057Third Party Advisory
- http://www.ubuntu.com/usn/USN-2993-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1217Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1261933Issue Tracking, Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.