CVE-2019-3938 Hardcoded credentials in Crestron AirMedia
A local attacker can decrypt exported configuration files using a hardcoded key to retrieve stored usernames and passwords.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-3938?
CVE-2019-3938 is a high-severity vulnerability in Crestron AirMedia, published on 30 Apr 2019. It can only be exploited from the same machine or local 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 stores usernames, passwords, and other configuration options in the file generated via the "export configuration" feature. The configuration file is encrypted using the awenc binary. The same binary can be used to decrypt any configuration file since all the encryption logic is hard coded. A local attacker can use this vulnerability to gain access to devices username and passwords.
Which versions are affected by CVE-2019-3938?
It affects 2 products.
Products include Crestron Am-100 Firmware, Crestron Am-101 Firmware.
How do I fix CVE-2019-3938?
No fix has been published for CVE-2019-3938 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-3938 being exploited?
There is no known exploitation of CVE-2019-3938 in the wild and no public exploit code.
Other vulnerabilities in Crestron AirMedia
Sources
Also known as GHSA-fgmr-rpcg-m7f6.