Overview
This blog post aims to dissect the critical vulnerability, CVE-2025-34192, found in the Vasion Print (formerly PrinterLogic) Virtual Appliance Host, which affects versions prior to 22.0.893 and Application versions prior to 20.0.2140 (macOS/Linux client deployments). The seriousness of this vulnerability is emphasized by its high CVSS Severity Score of 9.8, indicating the potential for severe impact on system security. This vulnerability is critical because Vasion Print is built against an outdated OpenSSL library, specifically OpenSSL 1.0.2h-fips, which is no longer supported and contains known, unpatched vulnerabilities. This compromises the overall security posture as it exposes the system to potential attacks that could exploit these weaknesses.
Vulnerability Summary
CVE ID: CVE-2025-34192
Severity: Critical (9.8)
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 22.0.893
Vasion Print Application | Prior to 20.0.2140 (macOS/Linux client deployments)
How the Exploit Works
The exploit takes advantage of the outdated OpenSSL 1.0.2h-fips cryptographic library used in the Vasion Print products. This library has been end-of-life since 2019 and is no longer supported by the OpenSSL project. Consequently, it has known vulnerabilities that are no longer patched. Attackers can potentially exploit these vulnerabilities to compromise the affected system’s TLS/SSL processing or cryptographic operations, leading to a system breach and possible data leakage.
Conceptual Example Code
Here’s a conceptual example of how an attacker might exploit this vulnerability – a malicious payload could be sent over a network connection to the vulnerable system:
openssl s_client -connect target.example.com:443 -tls1_2 -cipher 'ECDHE-ECDSA-AES256-SHA'In this example, the attacker is forcing the use of a vulnerable cipher suite (`ECDHE-ECDSA-AES256-SHA`) which the outdated OpenSSL library is not equipped to handle securely. This could allow the attacker to compromise the system’s encryption and expose sensitive data.
Mitigation Guidance
Given the severity of this vulnerability, immediate action is required. While the vendor has released a patch to address this issue, organizations that cannot immediately apply the patch should consider using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure until the patch can be applied.
In addition, organizations are advised to keep their systems updated with the latest versions of software, which often include patches for known vulnerabilities. This will help maintain a strong security posture against potential cyber threats.
