CVE-2018-5399 Hardcoded credentials in DCU-210E
Hardcoded SSH credentials in Auto-Maskin DCU 210E firmware allow attackers to gain root access and modify system files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-5399?
CVE-2018-5399 is a critical vulnerability in Auto-Maskin DCU-210E, published on 8 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Auto-Maskin DCU 210E firmware contains an undocumented Dropbear SSH server, v2015.55, configured to listen on Port 22 while the DCU is running. The Dropbear server is configured with a hard-coded user name and password combination of root / amroot. The server is configured to use password only authentication not cryptographic keys, however the firmware image contains an RSA host-key for the server. An attacker can exploit this vulnerability to gain root access to the Angstrom Linux operating system and modify any binaries or configuration files in the firmware. Affected releases are Auto-Maskin DCU-210E RP-210E: Versions prior to 3.7 on ARMv7.
Weakness: CWE-798
Which versions are affected by CVE-2018-5399?
It affects 2 products.
Products include Auto-Maskin Dcu-210e Firmware, Auto-Maskin Rp-210e Firmware.
How do I fix CVE-2018-5399?
No fix has been published for CVE-2018-5399 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-5399 being exploited?
There is no known exploitation of CVE-2018-5399 in the wild and no public exploit code.
Sources
Also known as GHSA-qxxm-7g2q-pwxw.