CVE-2017-8900 describes a vulnerability in LightDM versions up to 1.22.0, specifically when used with systemd in Ubuntu 16.10 and 17.x, allowing physically proximate attackers to bypass AppArmor restrictions and access arbitrary user home directories via guest sessions. This medium-severity vulnerability has a CVSS score of 4.6, indicating a physical attack vector with low complexity and high confidentiality impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.22.0CPE matchmatch criteria | cpe:2.3:a:lightdm_project:lightdm:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.