CVE-2016-4446 Command injection in n/a
Local attackers can execute arbitrary commands via crafted filenames in setroubleshoot, leading to privilege escalation on Red Hat systems.
- 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-2016-4446?
CVE-2016-4446 is a high-severity command injection vulnerability in Redhat Enterprise Linux Desktop, published on 11 Apr 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The allow_execstack plugin for setroubleshoot allows local users to execute arbitrary commands by triggering an execstack SELinux denial with a crafted filename, related to the commands.getoutput function.
Weakness: CWE-77
Which versions are affected by CVE-2016-4446?
It affects 5 products.
Products include Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation, Setroubleshoot Project Setroubleshoot.
How do I fix CVE-2016-4446?
Apply the vendor's patch.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2016-4446 being exploited?
There is no known exploitation of CVE-2016-4446 in the wild and no public exploit code.
Other vulnerabilities in Redhat Enterprise Linux Desktop
Sources
Also known as GHSA-chj8-3w35-5698.