Access Restriction Bypass Affecting util-linux package, versions [,2.31)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.16% (38th percentile)

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  • Snyk IDSNYK-UNMANAGED-UTILLINUX-2334960
  • published12 Jan 2022
  • disclosed7 Feb 2017
  • creditUnknown

Introduced: 7 Feb 2017

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

How to fix?

Upgrade util-linux to version 2.31 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass 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.

CVSS Base Scores

version 3.1