CVE-2020-17406 Command injection in Bullet-LTE
Authenticated attackers can execute arbitrary code as root via command injection in the ping parameter of tools.sh on Microhard Bullet-LTE 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-2020-17406?
CVE-2020-17406 is a high-severity command injection vulnerability in Microhard Bullet-LTE, published on 13 Oct 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microhard Bullet-LTE prior to v1.2.0-r1112. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the ping parameter provided to tools.sh. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-10595.
Weakness: CWE-78
Which versions are affected by CVE-2020-17406?
It affects 1 product.
Products include Microhardcorp Bullet-Lte Firmware.
How do I fix CVE-2020-17406?
No fix has been published for CVE-2020-17406 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-2020-17406 being exploited?
There is no known exploitation of CVE-2020-17406 in the wild and no public exploit code.
Other vulnerabilities in Microhard Bullet-LTE
Sources
Also known as GHSA-9hwm-q6fg-r54g.