CVE-2018-7738 Affecting util-linux package, versions <2.29.2-1+deb9u1


0.0
high

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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SUSE
8.2 high
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Red Hat
6.7 medium

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  • Snyk ID SNYK-DEBIAN9-UTILLINUX-285844
  • published 7 Mar 2018
  • disclosed 7 Mar 2018

How to fix?

Upgrade Debian:9 util-linux to version 2.29.2-1+deb9u1 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:9 relevant fixed versions and status.

In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain privileges by embedding shell commands in a mountpoint name, which is mishandled during a umount command (within Bash) by a different user, as demonstrated by logging in as root and entering umount followed by a tab character for autocompletion.