CVE-2018-7738

CVE: CVE-2018-7738
Published: 2018-03-07T02:29Z
Description Language: en
Description: 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.
References:
https://bugs.debian.org/892179
https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55
https://github.com/karelzak/util-linux/issues/539