Access Restriction Bypass Affecting util-linux package, versions <2.31.1-0.1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-UTILLINUX-285827
  • published7 Feb 2017
  • disclosed7 Feb 2017

Introduced: 7 Feb 2017

CVE-2016-2779  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Debian:unstable util-linux to version 2.31.1-0.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream util-linux package and not the util-linux package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.