SBA Security Advisory – CloudLinux CageFS – Insufficiently Restricted Proxy Command (CVE-2020-36772)
Vulnerability Overview
CloudLinux CageFS 7.0.8-2 or below insufficiently restricts file paths supplied to the sendmail proxy command. This allows local users to read and write arbitrary files of certain file formats outside the CageFS environment.
- Type of Vulnerability: External Control of File Name or Path
- Fixed in Version: 7.1.1-1
- CVE ID: CVE-2020-36772
- CVSSv3.1 Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
- CVSSv3.1 Base Score: 6.6 (Medium)
Recommended Countermeasure
We recommend to update CloudLinux CageFS to version 7.1.1-1 or later. For further details, see the full security advisory.
Links
Credits
- David Lisa Gnedt (SBA Research)