CVE Vulnerabilities

CVE-2016-2779

Published: Feb 07, 2017 | Modified: Jan 04, 2019
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
6.2 MODERATE
AV:L/AC:H/Au:N/C:C/I:C/A:C
RedHat/V3
8.6 MODERATE
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Ubuntu
LOW

runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminals input buffer.

Affected Software

Name Vendor Start Version End Version
Util-linux Kernel 2.24.2-1 (including) 2.24.2-1 (including)
Util-linux Ubuntu artful *
Util-linux Ubuntu esm-infra/xenial *
Util-linux Ubuntu upstream *
Util-linux Ubuntu vivid/stable-phone-overlay *
Util-linux Ubuntu vivid/ubuntu-core *
Util-linux Ubuntu wily *
Util-linux Ubuntu xenial *
Util-linux Ubuntu yakkety *
Util-linux Ubuntu zesty *

References