CVE-2017-3217 Missing authorization in LMU 3030 OBD-II
Attackers can send administrative commands to CalAmp OBD-II devices if the SMS interface lacks a password, allowing full device control.
- 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-2017-3217?
CVE-2017-3217 is a high-severity missing authorization vulnerability in CalAmp LMU 3030 OBD-II, published on 24 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
CalAmp LMU 3030 series OBD-II CDMA and GSM devices has an SMS (text message) interface that can be deployed where no password is configured for this interface by the integrator / reseller. This interface must be password protected, otherwise, the attacker only needs to know the phone number of the device (via an IMSI Catcher, for example) to send administrative commands to the device. These commands can be used to provide ongoing, real-time access to the device and can configure parameters such as IP addresses, firewall rules, and passwords.
Weakness: CWE-306
Which versions are affected by CVE-2017-3217?
It affects 3 products.
Products include Calamp Lmu 3030 Cdma Firmware, Calamp Lmu 3030 Gsm Firmware, Calamp Lmu 3030 Obd-Ii Firmware.
How do I fix CVE-2017-3217?
No fix has been published for CVE-2017-3217 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2017-3217 being exploited?
There is no known exploitation of CVE-2017-3217 in the wild and no public exploit code.
Sources
Also known as GHSA-gj9r-4hg5-ccw4.