Overview
CVE-2025-34205 is a severe security vulnerability discovered in Vasion Print (formerly PrinterLogic) Virtual Appliance Host and Application. The vulnerability arises from potentially harmful PHP dead code present in several Docker-hosted PHP instances. This flaw can result in a full system compromise, causing significant damage to the integrity, availability, and confidentiality of the affected system. It is of utmost importance for system administrators, security personnel, and developers to understand the specifics of this vulnerability and implement the necessary mitigation steps to secure their systems.
Vulnerability Summary
CVE ID: CVE-2025-34205
Severity: Critical (9.8 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage
Affected Products
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Product | Affected Versions
Vasion Print Virtual Appliance Host | Prior to 22.0.843
Vasion Print Application (VA and SaaS deployments) | Prior to 20.0.1923
How the Exploit Works
The vulnerability resides in a script named `/var/www/app/resetroot.php`, which lacks necessary authentication checks. When this script is executed, it performs a SQL update that sets the database administrator username to ‘root’ and its password to the SHA-512 hash of the string ‘password. This can allow an attacker to reset the MySQL root password and gain full control over the database.
Additionally, a deserialization issue exists in the commented-out code in `/var/www/app/lib/common/oses.php`, which unserializes session data. If this code is re-enabled or reached with attacker-controlled serialized data, it can lead to remote code execution.
Conceptual Example Code
Here’s a conceptual example of how the vulnerability might be exploited. This is a sample HTTP request to trigger the `resetroot.php` script:
GET /resetroot.php HTTP/1.1
Host: target.example.comAfter running this command, the MySQL root password would be reset, allowing the attacker to login with `username: root` and `password: password`.
Impact and Mitigation
The impact of this vulnerability is significant, as it could lead to complete system compromise and potential data leakage. Therefore, it is crucial to immediately apply the vendor patch once released. Until the patch is available, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as temporary mitigation. Regular monitoring and logging of network activity can also assist in identifying any unusual or suspicious activities.
