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 |