#VU58460 Incorrect default permissions in Installer for CoreOS disk images - CVE-2021-3917 

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Main Vulnerability Database Vulnerabilities #VU58460

#VU58460 Incorrect default permissions in Installer for CoreOS disk images - CVE-2021-3917

Published: November 30, 2021


Vulnerability identifier: #VU58460
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3917
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Installer for CoreOS disk images
Software vendor:
CoreOS

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions on the "/boot/ignition{,/config.ign}". A local user with access to the system can view contents of files and directories or modify them.


Remediation

Install updates from vendor's website.

External links