CVE-2017-8900 Security feature bypass in n/a
Physically proximate attackers can bypass AppArmor restrictions via guest sessions to access arbitrary user home directories in Ubuntu systems using LightDM.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-8900?
CVE-2017-8900 is a medium-severity vulnerability in n/a, published on 12 May 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2017-8900?
It affects 1 product.
Products include Lightdm Project Lightdm.
How do I fix CVE-2017-8900?
No fix has been published for CVE-2017-8900 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-8900 being exploited?
There is no known exploitation of CVE-2017-8900 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-2r8v-9m34-p378.