Vulnerability in Lightdm Project
CVE-2017-8900
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.
EPSS: 0.004 (34.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Lightdm_project Lightdm
- Canonical Ubuntu_linux — versions 16.10, 17.04
- N/a — versions n/a
References
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-8900?
- CVE-2017-8900 is a medium-severity vulnerability in Lightdm Project. CVSS score: 4.6/10. Published 2017-05-12.
- How severe is CVE-2017-8900?
- Medium severity. CVSS v3 base score is 4.6 out of 10.