CVE-2017-8900

LOW

Description

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.

References

http://www.securityfocus.com/bid/98554

https://launchpad.net/bugs/1663157

https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-8900.html

https://www.ubuntu.com/usn/usn-3285-1/

Details

Source: MITRE

Published: 2017-05-12

Updated: 2019-10-03

Risk Information

CVSS v2.0

Base Score: 2.1

Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3.0

Base Score: 4.6

Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 0.9

Severity: MEDIUM