CVE-2016-2779
Published: 07 February 2017
runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
Priority
Low
CVSS 3 base score: 7.8
Status
| Package | Release | Status |
|---|---|---|
|
util-linux Launchpad, Ubuntu, Debian |
Upstream |
Released
(2.31)
|
| Ubuntu 21.04 (Hirsute Hippo) |
Not vulnerable
(2.33.1-0.1ubuntu2)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(2.33.1-0.1ubuntu2)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Not vulnerable
(2.31.1-0.4ubuntu3.3)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Needed
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Not vulnerable
(code not present)
|
|
|
Patches: Upstream: https://github.com/karelzak/util-linux/commit/8e4925016875c6a4f2ab4f833ba66f0fc57396a2 |
||
Notes
| Author | Note |
|---|---|
| mdeslaur | 2.31 introduced a --pty option that can be used |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2779
- http://www.openwall.com/lists/oss-security/2016/02/27/1
- http://marc.info/?l=util-linux-ng&m=145694736107128&w=2
- NVD
- Launchpad
- Debian