CVE-2018-19788

polkit: Improper handling of user with uid > INT_MAX leading to authentication bypass

Published Dec 3, 2018 CVSS 3.0 · 8.8 High EPSS 11.6% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1644-1 policykit-1 security update
Debian DSA Debian DSA DSA-4350-1 policykit-1 security update
Ubuntu USN Ubuntu USN USN-3861-1 PolicyKit vulnerability
Ubuntu USN Ubuntu USN USN-3861-2 PolicyKit vulnerability
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics epss

{'score': 0.42303}

epss

{'score': 0.41245}

Type Values Removed Values Added
Metrics epss

{'score': 0.42631}

epss

{'score': 0.42303}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 29, 2024, 3:55 PM
Reserved
Dec 2, 2018, 12:00 AM
Status
Modified
Published
Dec 3, 2018, 6:29 AM
Modified
Jun 17, 2026, 1:49 AM
Severity
Moderate
Public date
Dec 3, 2018, 12:00 AM