Security restrictions bypass in libcgroup - CVE-2018-14348

 

Security restrictions bypass in libcgroup - CVE-2018-14348

Published: August 8, 2018


Vulnerability identifier: #VU14266
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-14348
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: MATSUMOTO Ryosuke
Affected software:
libcgroup

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to permission within /var/log/cgred were not restrictive enough beforehand and ignored any umask setting. A remote attacker can bypass security restrictions and conduct further attacks.

How to mitigate CVE-2018-14348

Install update from vendor's website.

Sources