CVE-2016-2820

MEDIUM

Description

The Firefox Health Reports (aka FHR or about:healthreport) feature in Mozilla Firefox before 46.0 does not properly restrict the origin of events, which makes it easier for remote attackers to modify sharing preferences by leveraging access to the remote-report IFRAME element.

References

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html

http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html

http://www.mozilla.org/security/announce/2016/mfsa2016-48.html

http://www.securitytracker.com/id/1035692

http://www.ubuntu.com/usn/USN-2936-1

http://www.ubuntu.com/usn/USN-2936-2

http://www.ubuntu.com/usn/USN-2936-3

https://bugzilla.mozilla.org/show_bug.cgi?id=870870

https://security.gentoo.org/glsa/201701-15

Details

Source: MITRE

Published: 2016-04-30

Updated: 2017-07-01

Type: CWE-284

Risk Information

CVSS v2.0

Base Score: 4.3

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

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 4.3

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

Impact Score: 1.4

Exploitability Score: 2.8

Severity: MEDIUM