CVE-2017-8900 Affecting lightdm package, versions <1.19.5-0ubuntu1.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1610-LIGHTDM-368053
- published12 May 2017
- disclosed12 May 2017
Introduced: 12 May 2017
CVE-2017-8900 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.10 lightdm to version 1.19.5-0ubuntu1.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream lightdm package and not the lightdm package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.10 relevant fixed versions and status.
LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor restrictions and visit the home directories of arbitrary users by establishing a guest session.