Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | <= 45.0.2 |
Related Weaknesses (CWE)
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.htmlVendor Advisory
- 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
- 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.htmlVendor Advisory
- http://www.securitytracker.com/id/1035692
- http://www.ubuntu.com/usn/USN-2936-1
- http://www.ubuntu.com/usn/USN-2936-2
FAQ
What is CVE-2016-2820?
CVE-2016-2820 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 ...
How severe is CVE-2016-2820?
CVE-2016-2820 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-2820?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.