CVE-2016-7543
Published: 19 January 2017
Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
bash Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
| trusty |
Released
(4.3-7ubuntu1.7)
|
|
| upstream |
Released
(4.4)
|
|
| xenial |
Released
(4.3-14ubuntu1.2)
|
|
| yakkety |
Released
(4.3-15ubuntu1.1)
|
|
| zesty |
Not vulnerable
(4.4-2ubuntu1)
|
|
|
Patches: upstream: https://ftp.gnu.org/pub/gnu/bash/bash-4.3-patches/bash43-048 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.4 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |