CVE-2017-14178

Publication date 2 February 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In snapd 2.27 through 2.29.2 the 'snap logs' command could be made to call journalctl without match arguments and therefore allow unprivileged, unauthenticated users to bypass systemd-journald's access restrictions.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
snapd	17.10 artful	Fixed 2.29.4.2+17.10
	17.04 zesty	Fixed 2.29.4.2+17.04
	16.04 LTS xenial	Fixed 2.29.4.2
	14.04 LTS trusty	Fixed 2.29.4.2~14.04

Notes

jdstrand

2.29.3 upstream was released on 2017-11-27

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
snapd	Introduced by https:/, fixed by https:/ Break-fix: https://github.com/snapcore/snapd/pull/3630 https://github.com/snapcore/snapd/pull/4194 Upstream: https://github.com/snapcore/snapd/pull/4196

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	None
Availability impact	None

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Other references

https://www.cve.org/CVERecord?id=CVE-2017-14178