CVE-2006-0826 in Workcentre 275
Summary
by MITRE
Unspecified vulnerability in ESS/ Network Controller and MicroServer Web Server in Xerox WorkCentre Pro and Xerox WorkCentre running software 13.027.24.015 and 14.027.24.015 allows remote attackers to cause a denial of service via a crafted Postscript request.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 11/24/2024
The vulnerability identified as CVE-2006-0826 represents a critical security flaw within the ESS/Network Controller and MicroServer Web Server components of Xerox WorkCentre Pro and Xerox WorkCentre devices. This issue affects specific software versions 13.027.24.015 and 14.027.24.015, where the web server implementation fails to properly validate incoming Postscript requests. The unspecified nature of the vulnerability suggests a fundamental weakness in the processing pipeline that handles print job submissions through the web interface, creating an avenue for malicious actors to exploit the system's resource handling mechanisms.
The technical flaw manifests when remote attackers craft specially formatted Postscript requests that trigger unexpected behavior within the web server's processing logic. This particular vulnerability operates at the application layer, leveraging the web server's handling of print job submissions to execute a denial of service attack. The attack vector specifically targets the web interface of the device, which serves as the primary communication channel for remote management and print job submission. The vulnerability likely stems from insufficient input validation and inadequate error handling within the Postscript processing subsystem, allowing malformed requests to cause the web server to crash or become unresponsive.
From an operational impact perspective, this vulnerability creates significant risk for organizations relying on these Xerox devices for their printing infrastructure. A successful exploitation would result in complete service disruption, preventing legitimate print jobs from being processed and potentially rendering the entire device inaccessible to authorized users. The denial of service condition affects not only the immediate device but also impacts broader network operations, as these devices often serve as critical components in enterprise printing environments. The remote nature of the attack means that adversaries can exploit this vulnerability from outside the organization's network perimeter, making it particularly dangerous for unsecured or poorly configured devices.
Organizations should implement immediate mitigations including network segmentation to isolate affected devices from critical network segments, disabling unnecessary web services when not required, and applying vendor-provided security patches or firmware updates as soon as they become available. The vulnerability aligns with CWE-129, which addresses insufficient input validation, and demonstrates characteristics consistent with ATT&CK technique T1499.004 for network denial of service attacks. Security monitoring should focus on detecting unusual patterns in web server access logs and print job submission attempts that could indicate exploitation attempts. Additionally, implementing network access controls and regular vulnerability assessments will help prevent unauthorized access to these devices and ensure proper device configuration to minimize attack surface exposure.