polkit: Improper authorization in polkit_backend_interactive_authority_check_authorization function in polkitd
Published Jul 10, 2018
4.4
MEDIUMCVSS 3.1
EPSS 1.20%
Description
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.
Affected products
- Vendor n/a Product Polkit Defaultn/a
- Version polkit 0.116StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Polkit | n/a |
|
Configuration 1
- 8.0
Configuration 2
- 12.04
Configuration 3
- < 0.115
No data.
Red Hat Enterprise Linux 7
polkit-0:0.112-26.el7
Fixed · RHSA-2020:1135
Red Hat Enterprise Linux 6
polkit
Will not fix
Red Hat Enterprise Linux 8
polkit
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | polkit-0:0.112-26.el7 | Fixed | RHSA-2020:1135 |
| Red Hat Enterprise Linux 6 | polkit | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | polkit | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
AV:L/AC:L/Au:N/C:P/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.20% (0.01196) | 66.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.20% (0.01196) | 63.96th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00043) | 10.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00066) | 31.09th | v3 (v2023.03.01) |
| Jun 27, 2024 | 0.07% (0.00066) | 29.19th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.07% (0.00066) | 27.19th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00047) | 14.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.25% (0.01247) | 30.57th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (9)
- https://access.redhat.com/security/cve/CVE-2018-1116 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1595404 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1116 x_refsource_CONFIRMIssue TrackingPatch
- https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad5364 x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00042.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-1116
- https://security.gentoo.org/glsa/201908-14 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/3717-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-1116
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-1116 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1595404 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1116 | x_refsource_CONFIRMIssue TrackingPatch | |
| https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad5364 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/07/msg00042.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-1116 | ||
| https://security.gentoo.org/glsa/201908-14 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://usn.ubuntu.com/3717-2/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-1116 |
Change history (4)
- MITRE
- CVSS vector changed from CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L to
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L → CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- CVSS score changed from 4.4 to
4.7 4.4 → 4.7
- CVSS vector changed from CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L to
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- REDHAT
- CVSS vector changed from CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L to
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L → CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
- CVSS score changed from 4.7 to
4.4 4.7 → 4.4
- CVSS vector changed from CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L to
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L