Overview
In the rapidly-evolving world of cybersecurity, a new vulnerability has been identified in Vasion Print (formerly PrinterLogic) Virtual Appliance Host and Application. This vulnerability, identified as CVE-2025-34195, has the potential to affect a significant number of businesses and institutions due to the widespread use of these applications. Particularly concerning is the fact that the vulnerability can lead to remote code execution and potential privilege escalation, posing serious threats to the security and integrity of sensitive data.
The severity of this vulnerability – scoring an alarming 9.8 on the Common Vulnerability Scoring System (CVSS) – underscores the critical need for immediate action to prevent potential system compromise or data leakage. Given the extensive reach and potential impact of this vulnerability, it is crucial for all stakeholders to understand its mechanisms and take steps towards mitigation.
Vulnerability Summary
CVE ID: CVE-2025-34195
Severity: Critical (9.8 CVSS score)
Attack Vector: Local
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Vasion Print Virtual Appliance Host | Prior to 1.0.735
Vasion Print Application | Prior to 20.0.1330
How the Exploit Works
The vulnerability arises from a lack of quotation marks in the program paths during the driver installation process. The PrinterInstallerClient driver-installation component launches programs using an unquoted path under “C:\Program Files (x86)\Printer Properties Pro\Printer Installer”.
Because the path is unquoted, the operating system may execute a program located at a short-path location such as C:\Program.exe before the intended binaries in the quoted path. If an attacker can place or cause a program to exist at that location, it will be executed with the privileges of the installer process. This can lead to arbitrary code execution and potential privilege escalation.
Conceptual Example Code
Given the nature of this vulnerability, it can be exploited locally, rather than through a web-based attack. Here’s a conceptual example of how an attacker might try to exploit this vulnerability:
# Attacker places their malicious program at C:\Program.exe
echo "malicious code" > C:\Program.exe
# Then, they trigger the vulnerable driver installation
"C:\Program Files (x86)\Printer Properties Pro\Printer Installer\setup.exe"In this conceptual example, the operating system executes the malicious `C:Program.exe` before the intended program from the unquoted path, leading to arbitrary code execution with the privileges of the installer process. This can potentially result in full system compromise.
