Permissions, Privileges, and Access Controls in Snapd - CVE-2017-14178
Published: January 29, 2020
Vulnerability identifier: #VU24726
CSH Severity: Low
CVSS v4: 4.8 [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]
CVE-ID: CVE-2017-14178
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the "snap logs" command can be used to call journalctl without match arguments. A local user can bypass systemd-journald's access restrictions and escalate privileges on the system.
Affected software
Snapd
How to mitigate CVE-2017-14178
Install updates from vendor's website.
Snapd - update to 2.29.3