CVE-2016-9075

moderate-risk
Published 2018-06-11

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.

Do I need to act?

~
2.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Mozilla

References (8)

Third Party Advisory http://www.securityfocus.com/bid/94337
Third Party Advisory http://www.securitytracker.com/id/1037298
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1295324
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2016-89/
Third Party Advisory http://www.securityfocus.com/bid/94337
Third Party Advisory http://www.securitytracker.com/id/1037298
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1295324
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2016-89/
43
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 5/34 · Minimal