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.
Published: 2018-03-06
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-4134-1 util-linux security update
EUVD EUVD EUVD-2018-19453 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.
Ubuntu USN Ubuntu USN USN-4512-1 util-linux vulnerability
History

Fri, 13 Dec 2024 14:45:00 +0000

Type Values Removed Values Added
References

Subscriptions

Kernel Util-linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-12-13T13:09:22.233Z

Reserved: 2018-03-06T00:00:00.000Z

Link: CVE-2018-7738

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-03-07T02:29:03.533

Modified: 2024-12-13T14:15:19.380

Link: CVE-2018-7738

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-03-07T00:00:00Z

Links: CVE-2018-7738 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses