Candidate: CVE-2016-2779
PublicDate: 2017-02-07 15:59:00 UTC
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
Description:
 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.
Ubuntu-Description:
Notes:
 mdeslaur> 2.31 introduced a --pty option that can be used
Bugs:
 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922
 https://bugzilla.redhat.com/show_bug.cgi?id=1312852
Priority: low
Discovered-by: Federico Bento
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H [7.8 HIGH]

Patches_util-linux:
 upstream: https://github.com/karelzak/util-linux/commit/8e4925016875c6a4f2ab4f833ba66f0fc57396a2
upstream_util-linux: released (2.31)
precise_util-linux: not-affected (code not present)
precise/esm_util-linux: not-affected (code not present)
trusty_util-linux: not-affected (code not present)
trusty/esm_util-linux: not-affected (code not present)
vivid/stable-phone-overlay_util-linux: ignored (reached end-of-life)
vivid/ubuntu-core_util-linux: ignored (reached end-of-life)
wily_util-linux: ignored (reached end-of-life)
xenial_util-linux: ignored (end of standard support, was needed)
esm-infra/xenial_util-linux: needed
yakkety_util-linux: ignored (reached end-of-life)
zesty_util-linux: ignored (reached end-of-life)
artful_util-linux: ignored (reached end-of-life)
bionic_util-linux: not-affected (2.31.1-0.4ubuntu3.3)
cosmic_util-linux: not-affected (2.32-0.1ubuntu2)
disco_util-linux: not-affected (2.33.1-0.1ubuntu2)
eoan_util-linux: not-affected (2.33.1-0.1ubuntu2)
focal_util-linux: not-affected (2.33.1-0.1ubuntu2)
groovy_util-linux: not-affected (2.33.1-0.1ubuntu2)
hirsute_util-linux: not-affected (2.33.1-0.1ubuntu2)
impish_util-linux: not-affected (2.33.1-0.1ubuntu2)
jammy_util-linux: not-affected (2.33.1-0.1ubuntu2)
devel_util-linux: not-affected (2.33.1-0.1ubuntu2)