CVE-2018-19788 — Improper Input Validation in Project Polkit

CWE-20 — Improper Input ValidationCWE-287 — Improper Authentication10 documents8 sources
Severity
8.8HIGHNVD
EPSS
59.6%
top 1.74%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Canonical Ubuntu LinuxDebian LinuxPolkit Project Polkit
Timeline
PublishedDec 3
Latest updateMay 14

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages1 packages

Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 12.04, 14.04, 16.04, 18.04, 18.10

Patches

Patch: gitlab.freedesktop.org ↗Patch: gitlab.freedesktop.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-4569-2jp2-r7vf: A flaw was found in PolicyKit (aka polkit) 0↗2022-05-14
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CVEList
CVE-2018-19788: A flaw was found in PolicyKit (aka polkit) 0↗2018-12-03
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OSV
CVE-2018-19788: A flaw was found in PolicyKit (aka polkit) 0↗2018-12-03
▶

📋Vendor Advisories

4
Ubuntu
PolicyKit vulnerability↗2019-01-16
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Ubuntu
PolicyKit vulnerability↗2019-01-16
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Red Hat
polkit: Improper handling of user with uid > INT_MAX leading to authentication bypass↗2018-12-03
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Debian
CVE-2018-19788: policykit-1 - A flaw was found in PolicyKit (aka polkit) 0.115 that allows a user with a uid g...↗2018
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💬Community

2
Bugzilla
CVE-2018-19788 polkit: Improper handling of user with uid > INT_MAX leading to authentication bypass↗2018-12-04
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Bugzilla
CVE-2018-19788 polkit: Improper handling of user with uid > INT_MAX leading to authentication bypass [fedora-all]↗2018-12-04
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CVE-2018-19788 — Improper Input Validation | cvebase