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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firefox | Mozilla | * | 50.0 (excluding) |
| Firefox | Ubuntu | devel | * |
| Firefox | Ubuntu | precise | * |
| Firefox | Ubuntu | trusty | * |
| Firefox | Ubuntu | upstream | * |
| Firefox | Ubuntu | xenial | * |
| Firefox | Ubuntu | yakkety | * |
References
- http://www.securityfocus.com/bid/94337
- http://www.securitytracker.com/id/1037298
- https://bugzilla.mozilla.org/show_bug.cgi?id=1295324
- https://www.mozilla.org/security/advisories/mfsa2016-89/
- http://www.securityfocus.com/bid/94337
- http://www.securitytracker.com/id/1037298
- https://bugzilla.mozilla.org/show_bug.cgi?id=1295324
- https://www.mozilla.org/security/advisories/mfsa2016-89/