CVE-2017-8900
LightDM AppArmor Bypass Vulnerability
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.
INFO
Published Date :
May 12, 2017, 7:29 a.m.
Last Modified :
Oct. 3, 2019, 12:03 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
0.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-8900.
| URL | 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-8900 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-8900 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-284 NVD-CWE-noinfo -
Initial Analysis by [email protected]
May. 26, 2017
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type http://www.securityfocus.com/bid/98554 No Types Assigned http://www.securityfocus.com/bid/98554 Third Party Advisory, VDB Entry Changed Reference Type https://www.ubuntu.com/usn/usn-3285-1/ No Types Assigned https://www.ubuntu.com/usn/usn-3285-1/ Patch, Vendor Advisory Changed Reference Type https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-8900.html No Types Assigned https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-8900.html Patch, Vendor Advisory Changed Reference Type https://launchpad.net/bugs/1663157 No Types Assigned https://launchpad.net/bugs/1663157 Issue Tracking, Patch, Vendor Advisory Added CWE CWE-284 Added CPE Configuration AND OR *cpe:2.3:a:lightdm_project:lightdm:1.22.0:*:*:*:*:*:*:* (and previous) OR cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:* cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 25, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/98554 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-8900 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-8900
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} -0.01%
score
0.37080
percentile