CVE-2012-1101 Denial of service in systemd
Attackers can cause a denial of service by triggering a failure in the login procedure when handling non-existent services in systemd.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-1101?
CVE-2012-1101 is a medium-severity denial of service vulnerability in Systemd Project Systemd, published on 11 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
systemd 37-1 does not properly handle non-existent services, which causes a denial of service (failure of login procedure).
Which versions are affected by CVE-2012-1101?
It affects 1 product.
Products include Systemd Project Systemd.
How do I fix CVE-2012-1101?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2012-1101 being exploited?
There is no known exploitation of CVE-2012-1101 in the wild and no public exploit code.
Other vulnerabilities in Systemd Project Systemd
Sources
Also known as DEBIAN-CVE-2012-1101, GHSA-vxp6-p2r8-fgq7.