CVE-2016-2817
Published: 27 April 2016
The WebExtension sandbox feature in browser/components/extensions/ext-tabs.js in Mozilla Firefox before 46.0 does not properly restrict principal inheritance during chrome.tabs.create and chrome.tabs.update API calls, which allows remote attackers to conduct Universal XSS (UXSS) attacks via a crafted extension that accesses a (1) javascript: or (2) data: URL.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
precise |
Released
(46.0+build5-0ubuntu0.12.04.2)
|
| trusty |
Released
(46.0+build5-0ubuntu0.14.04.2)
|
|
| upstream |
Released
(46.0)
|
|
| wily |
Released
(46.0+build5-0ubuntu0.15.10.2)
|
|
| xenial |
Released
(46.0+build5-0ubuntu0.16.04.2)
|
|
|
thunderbird Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
|
| trusty |
Does not exist
(trusty was not-affected)
|
|
| upstream |
Not vulnerable
|
|
| wily |
Not vulnerable
|
|
| xenial |
Not vulnerable
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.4 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |