Apache Ranger, Improper Neutralization of Formula Elements, CVE-2025-XXXX (Low)

How the CVE Works:

The vulnerability, CVE-2025-XXXX, exists in Apache Ranger versions prior to 2.6.0. It stems from improper neutralization of formula elements in the Export CSV feature. Attackers can exploit this by injecting malicious formulas into exported CSV files. When these files are opened in spreadsheet software like Microsoft Excel or LibreOffice Calc, the formulas execute, potentially leading to data manipulation or code execution. This issue arises due to insufficient input validation and sanitization in the CSV export functionality. The vulnerability is classified as low severity because it requires user interaction (opening the CSV file) and does not directly compromise the Apache Ranger server.

DailyCVE Form:

Platform: Apache Ranger
Version: < 2.6.0
Vulnerability: Improper Neutralization
Severity: Low
Date: Mar 3, 2025

What Undercode Say:

Exploitation:

1. Exploit Code Example:

import requests

target_url = "http://example.com/ranger/export"
payload = "=HYPERLINK('http://malicious-site.com','Click here')"
response = requests.post(target_url, data={"data": payload})
print(response.text)

2. Exploit Steps:

Inject malicious formula into CSV export request.
Distribute the CSV file to victims.
Victim opens the file in spreadsheet software, triggering the formula.

Protection:

1. Upgrade to Apache Ranger 2.6.0:

wget https://downloads.apache.org/ranger/2.6.0/apache-ranger-2.6.0.tar.gz
tar -xvf apache-ranger-2.6.0.tar.gz
cd apache-ranger-2.6.0
./setup.sh

2. Input Sanitization:

Implement server-side validation to neutralize formula elements.
Use libraries like `csv-sanitizer` to clean CSV data.

3. User Awareness:

Educate users to avoid opening untrusted CSV files.
Use text editors instead of spreadsheet software for unknown files.

References:

Reported By: https://github.com/advisories/GHSA-2h4w-p9fh-9rmv
Extra Source Hub:
Undercode

Image Source:

Undercode AI DI v2