CVE-2016-2820 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3