# CVE-2018-14665: xdmx: A flaw was found in xorg-x11-server before 1.20.3

CVE-2018-14665 is fixed in 12 products on 1 platform, first by xdmx 2:1.19.6-1ubuntu4.2, released October 24, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-14665
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.2724
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 24, 2018

## Description

A flaw was found in xorg-x11-server before 1.20.3. An incorrect permission check for -modulepath and -logfile options when starting Xorg. X server allows unprivileged users with the ability to log in to the system via physical console to escalate their privileges and run arbitrary code under root privileges.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | xdmx Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xdmx 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xdmx-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xdmx-tools Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xdmx-tools 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xdmx-tools-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xmir Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xmir 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xmir-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xnest Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xnest 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xnest-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xorg-server-source Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xorg-server-source 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xorg-server-source-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xserver-common Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xserver-common 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xserver-common-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xserver-xephyr Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xserver-xephyr 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xserver-xephyr-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xserver-xorg-core Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xserver-xorg-core 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xserver-xorg-core-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xserver-xorg-legacy Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xserver-xorg-legacy 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xserver-xorg-legacy-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xserver-xorg-xmir Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xserver-xorg-xmir 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xserver-xorg-xmir-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xvfb Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xvfb 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xvfb-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |
| Linux | xwayland Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | [xwayland 2:1.19.6-1ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xwayland-2-1.19.6-1ubuntu4.2.md) | Oct 24, 2018 |

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