Information disclosure in Util-linux - CVE-2013-0157
Published: January 21, 2014 / Updated: July 28, 2020
Vulnerability identifier: #VU32675
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-0157
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.
(a) mount and (b) umount in util-linux 2.14.1, 2.17.2, and probably other versions allow local users to determine the existence of restricted directories by (1) using the --guess-fstype command-line option or (2) attempting to mount a non-existent device, which generates different error messages depending on whether the directory exists.
Affected software
Util-linux
Gentoo Linux
util-linux (Alpine package)
Gentoo Linux
util-linux (Alpine package)
How to mitigate CVE-2013-0157
Install update from vendor's website.
util-linux (Alpine package) - update to 2.21-r1