CVE-2019-3931 Command injection in Crestron AirMedia
Remote authenticated attackers can inject arguments into curl via crafted HTTP requests to upload files and execute code as root on Crestron AirMedia devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-3931?
CVE-2019-3931 is a high-severity command injection vulnerability in Crestron AirMedia, published on 30 Apr 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to argumention injection to the curl binary via crafted HTTP requests to return.cgi. A remote, authenticated attacker can use this vulnerability to upload files to the device and ultimately execute code as root.
Weakness: CWE-88
Which versions are affected by CVE-2019-3931?
It affects 2 products.
Products include Crestron Am-100 Firmware, Crestron Am-101 Firmware.
How do I fix CVE-2019-3931?
No fix has been published for CVE-2019-3931 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2019-3931 being exploited?
There is no known exploitation of CVE-2019-3931 in the wild and no public exploit code.
Other vulnerabilities in Crestron AirMedia
Sources
Also known as GHSA-2pjp-h3gv-vwcc.