CVE-2018-1106

Publication date 23 April 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An authentication bypass flaw has been found in PackageKit before 1.1.10 that allows users without administrator privileges to install signed packages. A local attacker can use this vulnerability to install vulnerable packages to further compromise a system.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
packagekit	17.10 artful	Fixed 1.1.7-1ubuntu0.1
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

mdeslaur

introduced by f176976e24e8c17b80eff222572275517c16bdad introduced in 1.0.10

Patch details

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

Package	Patch details
packagekit	Upstream: 7e8a790

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

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

Scores

Parameter	Value
Base score	5.5 · Medium
Exploitability score	-
Impact score	-

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

References

Related Ubuntu Security Notices (USN)

USN-3634-1
PackageKit vulnerability
24 April 2018

Other references

https://www.cve.org/CVERecord?id=CVE-2018-1106