CVE-2018-20487 Command injection in n/a
Attackers can execute arbitrary code as root by injecting malicious paths into firewall rules via JSON-RPC calls in Inteno IOPSYS.
- 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-2018-20487?
CVE-2018-20487 is a high-severity command injection vulnerability in n/a, published on 11 Apr 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in the firewall3 component in Inteno IOPSYS 1.0 through 3.16. The attacker must make a JSON-RPC method call to add a firewall rule as an "include" and point the "path" argument to a malicious script or binary. This gets executed as root when the firewall changes are committed.
Weakness: CWE-20
Which versions are affected by CVE-2018-20487?
It affects 1 product.
Products include Inteno Iopsys.
How do I fix CVE-2018-20487?
No fix has been published for CVE-2018-20487 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-2018-20487 being exploited?
There is no known exploitation of CVE-2018-20487 in the wild and no public exploit code.
Sources
Also known as GHSA-qcm5-vh67-wxvj.