#VU14266 Security restrictions bypass in libcgroup


Published: 2018-08-08

Vulnerability identifier: #VU14266

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-14348

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libcgroup
Universal components / Libraries / Libraries used by multiple products

Vendor: MATSUMOTO Ryosuke

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libcgroup: All versions


External links
http://sourceforge.net/p/libcg/libcg/ci/0d88b73d189ea3440ccaab00418d6469f76fa590/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability