# CVE-2018-1116: gir1.2-polkit-1.0: A flaw was found in polkit before version 0.116

CVE-2018-1116 is fixed in 5 products on 1 platform, first by gir1.2-polkit-1.0 0.105-20ubuntu0.18.04.1, released July 9, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-1116
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0120
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 9, 2018

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gir1.2-polkit-1.0 Ubuntu 18.04.6 LTS (bionic) | 0.105-20ubuntu0.18.04.1 | [gir1.2-polkit-1.0 0.105-20ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-polkit-1.0-0.105-20ubuntu0.18.04.1.md) | Jul 9, 2018 |
| Linux | libpolkit-agent-1-0 Ubuntu 18.04.6 LTS (bionic) | 0.105-20ubuntu0.18.04.1 | [libpolkit-agent-1-0 0.105-20ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpolkit-agent-1-0-0.105-20ubuntu0.18.04.1.md) | Jul 9, 2018 |
| Linux | libpolkit-backend-1-0 Ubuntu 18.04.6 LTS (bionic) | 0.105-20ubuntu0.18.04.1 | [libpolkit-backend-1-0 0.105-20ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpolkit-backend-1-0-0.105-20ubuntu0.18.04.1.md) | Jul 9, 2018 |
| Linux | libpolkit-gobject-1-0 Ubuntu 18.04.6 LTS (bionic) | 0.105-20ubuntu0.18.04.1 | [libpolkit-gobject-1-0 0.105-20ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpolkit-gobject-1-0-0.105-20ubuntu0.18.04.1.md) | Jul 9, 2018 |
| Linux | policykit-1 Ubuntu 18.04.6 LTS (bionic) | 0.105-20ubuntu0.18.04.1 | [policykit-1 0.105-20ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-policykit-1-0.105-20ubuntu0.18.04.1.md) | Jul 9, 2018 |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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