CVE-2016-2820 - Improper Access Control

Severity

43%

Complexity

86%

Confidentiality

48%

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.

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 3.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N).

Overview

First reported 8 years ago

2016-04-30 17:59:00

Last updated 7 years ago

2017-07-01 01:29:00

Affected Software

Mozilla Firefox

References

openSUSE-SU-2016:1211

openSUSE-SU-2016:1251

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

Vendor Advisory

1035692

USN-2936-1

USN-2936-2

USN-2936-3

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

GLSA-201701-15

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.