CVE-2017-8900 Information

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.

CVSS Vector

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

Reference

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/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

4.6