SB2013050310 - Information disclosure in util-linux (Alpine package)
Published: May 3, 2013
Security Bulletin ID
SB2013050310
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2013-0157)
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.
Remediation
Install update from vendor's website.