Incorrect default permissions in Snapd - CVE-2021-3155
Published: May 25, 2022
Vulnerability identifier: #VU63646
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3155
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Snapd
Snapd
Software vendor:
snapcore
snapcore
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to snapd creates "~/snap" directories in user home directories without specifying owner-only permissions. A local user can gain access to potentially sensitive information.
Remediation
Install updates from vendor's website.