CVE-2016-9075

Description

An issue where WebExtensions can use the mozAddonManager API to elevate privilege due to privileged pages being allowed in the permissions list. This allows a malicious extension to then install additional extensions without explicit user permission. This vulnerability affects Firefox < 50.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.77% Top 15%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1295324 vendor advisory issue tracking
http://www.securityfocus.com/bid/94337 third party advisory vdb entry
http://www.securitytracker.com/id/1037298 third party advisory vdb entry
https://www.mozilla.org/security/advisories/mfsa2016-89/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-9075?
CVE-2016-9075 has been scored as a critical severity vulnerability.
How to fix CVE-2016-9075?
To fix CVE-2016-9075, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-9075 being actively exploited in the wild?
It is possible that CVE-2016-9075 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-9075?
CVE-2016-9075 affects Mozilla Firefox.
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