CVE-2017-5255 Command injection in ePMP
Authenticated users can inject shell commands via the web console to execute arbitrary code as root on Cambium ePMP 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-2017-5255?
CVE-2017-5255 is a high-severity command injection vulnerability in Cambium Networks ePMP, published on 20 Dec 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In version 3.5 and prior of Cambium Networks ePMP firmware, a lack of input sanitation for certain parameters on the web management console allows any authenticated user (including the otherwise low-privilege readonly user) to inject shell meta-characters as part of a specially-crafted POST request to the get_chart function and run OS-level commands, effectively as root.
Weakness: CWE-78
Which versions are affected by CVE-2017-5255?
It affects 2 products.
Products include Cambiumnetworks Epmp 1000 Firmware, Cambiumnetworks Epmp 2000 Firmware.
How do I fix CVE-2017-5255?
No fix has been published for CVE-2017-5255 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-2017-5255 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-5255 exists.
Public exploit code: 4 Metasploit modules and 1 Exploit-DB entry.
Other vulnerabilities in Cambium Networks ePMP
Sources
Also known as GHSA-x9r7-5gw2-pphx.