CVE-2016-2568
Published: 13 February 2017
pkexec, when used with --user nonpriv, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
Notes
| Author | Note |
|---|---|
| mdeslaur | no fix available as of 2021-05-26 |
| rodrigo-zaiden | no fix available as of 2022-02-21. |
| leosilva | no fix available as of 2023-07-21. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
policykit-1 Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Deferred
|
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Deferred
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Deferred
|
|
| kinetic |
Ignored
(end of life, was deferred)
|
|
| lunar |
Ignored
(end of life, was deferred)
|
|
| mantic |
Deferred
|
|
| precise |
Ignored
(end of life)
|
|
| trusty |
Deferred
|
|
| upstream |
Needed
|
|
| wily |
Ignored
(end of life)
|
|
| xenial |
Deferred
|
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Ignored
(end of life)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |