CVE-2017-5456
Published: 20 April 2017
A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox
Launchpad, Ubuntu, Debian |
precise |
Ignored
|
| trusty |
Released
(53.0+build6-0ubuntu0.14.04.1)
|
|
| upstream |
Released
(53.0)
|
|
| xenial |
Released
(53.0+build6-0ubuntu0.16.04.1)
|
|
| yakkety |
Released
(53.0+build6-0ubuntu0.16.10.1)
|
|
| zesty |
Released
(53.0+build6-0ubuntu0.17.04.1)
|
|
|
thunderbird
Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
| trusty |
Does not exist
(trusty was not-affected)
|
|
| upstream |
Not vulnerable
|
|
| xenial |
Not vulnerable
|
|
| yakkety |
Not vulnerable
|
|
| zesty |
Not vulnerable
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |