National Vulnerability Database

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CVE-2017-8900 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/98554 Third Party Advisory VDB Entry
https://launchpad.net/bugs/1663157 Issue Tracking Patch Vendor Advisory
https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-8900.html Patch Vendor Advisory
https://www.ubuntu.com/usn/usn-3285-1/ Patch Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:lightdm_project:lightdm:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.22.0
Running on/with
 cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-8900
NVD Published Date:
05/12/2017
NVD Last Modified:
10/02/2019