Improper Input Validation Affecting policykit-1 package, versions <0.105-20ubuntu0.18.04.4


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.3% (70th percentile)

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  • Snyk IDSNYK-UBUNTU1804-POLICYKIT1-318634
  • published3 Dec 2018
  • disclosed3 Dec 2018

Introduced: 3 Dec 2018

CVE-2018-19788  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.04 policykit-1 to version 0.105-20ubuntu0.18.04.4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream policykit-1 package and not the policykit-1 package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

A flaw was found in PolicyKit (aka polkit) 0.115 that allows a user with a uid greater than INT_MAX to successfully execute any systemctl command.