CVE-2016-9401
Published: 23 January 2017
popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.
Notes
Author | Note |
---|---|
sbeattie | not sure how this has security impact |
Priority
Status
Package | Release | Status |
---|---|---|
bash Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
artful |
Released
(4.4-5ubuntu1)
|
|
bionic |
Released
(4.4-5ubuntu1)
|
|
cosmic |
Released
(4.4-5ubuntu1)
|
|
disco |
Released
(4.4-5ubuntu1)
|
|
eoan |
Released
(4.4-5ubuntu1)
|
|
focal |
Released
(4.4-5ubuntu1)
|
|
precise |
Ignored
(end of life)
|
|
trusty |
Released
(4.3-7ubuntu1.7)
|
|
xenial |
Released
(4.3-14ubuntu1.2)
|
|
yakkety |
Released
(4.3-15ubuntu1.1)
|
|
zesty |
Released
(4.4-2ubuntu1.1)
|
|
groovy |
Released
(4.4-5ubuntu1)
|
|
hirsute |
Released
(4.4-5ubuntu1)
|
|
Patches: upstream: https://ftp.gnu.org/pub/gnu/bash/bash-4.4-patches/bash44-006 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |