Access Restriction Bypass Affecting util-linux package, versions *


low

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
7.8 high
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Red Hat
8.6 high

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  • Snyk ID SNYK-DEBIAN9-UTILLINUX-285822
  • published 7 Feb 2017
  • disclosed 7 Feb 2017

How to fix?

There is no fixed version for Debian:9 util-linux.

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:9 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.