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CVE-2018-7738 Detail

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.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/103367 Third Party Advisory  VDB Entry 
https://bugs.debian.org/892179 Patch  Third Party Advisory 
https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55 Patch  Third Party Advisory 
https://github.com/karelzak/util-linux/issues/539 Issue Tracking  Third Party Advisory 
https://usn.ubuntu.com/4512-1/
https://www.debian.org/security/2018/dsa-4134 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-7738
NVD Published Date:
03/06/2018
NVD Last Modified:
09/25/2020
Source:
MITRE