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Fencer Vulns
medium 4.7

CVE-2018-1116 json

A flaw was found in polkit before version 0.116.

published 2018-07-10 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11760

cvss
4.7
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

A flaw was found in polkit before version 0.116. The implementation of the polkit_backend_interactive_authority_check_authorization function in polkitd allows to test for authentication and trigger authentication of unrelated processes owned by other users. This may result in a local DoS and information disclosure.

Patch / fix

  • polkit_project polkit 0.115
  • policykit-1 Debian 14, Debian 13, Debian 12 0.105-21

debian advisories DEBIAN-CVE-2018-1116

  • policykit-1 Ubuntu 14.04 LTS 0.105-4ubuntu3.14.04.2
  • policykit-1 Ubuntu 16.04 LTS 0.105-14.1ubuntu0.1
  • policykit-1 Ubuntu 18.04 LTS 0.105-20ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-1116

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • polkit RHEL 7 0.112-26.el7

red hat advisories RHSA-2020:1135

  • polkit SLE Module for Basesystem 15 0.114-3.3.1
  • polkit SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +2 more 0.113-5.9.1

suse advisories SUSE-SU-2018:2165-1SUSE-SU-2018:2163-1

  • polkit openSUSE Tumbleweed 0.118-7.2

opensuse advisories openSUSE-SU-2024:11180-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-1116 updated cvss 4.4

polkit: Improper authorization in polkit_backend_interactive_authority_check_authorization function in polkitd

  • Red Hat Enterprise Linux 6 polkit, polkit-desktop-policy
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) polkit 0.112-26.el7 Red Hat Enterprise Linux Client Optional (v. 7) polkit-docs 0.112-26.el7, polkit-devel 0.112-26.el7, polkit-debuginfo 0.112-26.el7 Red Hat Enterprise Linux ComputeNode (v. 7) polkit 0.112-26.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) polkit-docs 0.112-26.el7, polkit-devel 0.112-26.el7, polkit-debuginfo 0.112-26.el7 Red Hat Enterprise Linux Server (v. 7) polkit 0.112-26.el7 Red Hat Enterprise Linux Workstation (v. 7) polkit 0.112-26.el7
    fixed: vendor fix RHSA-2020:1135
  • Red Hat Enterprise Linux 8 polkit, polkit-libs
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 4.7 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
NVD 2.0 3.6 AV:L/AC:L/Au:N/C:P/I:N/A:P

Affected products

  • [UNKNOWN] polkit

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.