Improper Preservation of Permissions in etcd - CVE-2020-15113

 

Improper Preservation of Permissions in etcd - CVE-2020-15113

Published: August 10, 2020 / Updated: October 19, 2022


Vulnerability identifier: #VU41647
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-15113
CWE-ID: CWE-281
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: CoreOS
Affected software:
etcd

Detailed vulnerability description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to software improperly sets permissions to certain directory paths in case they were previously created (etcd data directory and the directory path when provided to automatically generate self-signed certificates for TLS connections with clients). A local user can gain unauthorized access to sensitive information on the system.


How to mitigate CVE-2020-15113

Install updates from vendor's website.

Sources