CVE-2006-6473 in WorkCentre
Summary
by MITRE
Multiple unspecified vulnerabilities in Xerox WorkCentre and WorkCentre Pro before 12.050.03.000, 13.x before 13.050.03.000, and 14.x before 14.050.03.000 have unknown impact and attack vectors, related to (1) an Immediate Image Overwrite (IIO) error message at the Local User Interface (LUI) if overwrite fails, (2) an IIO failure when a Held Job is deleted, and (3) an On Demand Image Overwrite failure when the overwrite is greater than 2 Gb.
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Analysis
by VulDB Data Team • 08/10/2018
The vulnerability identified as CVE-2006-6473 affects multiple versions of Xerox WorkCentre and WorkCentre Pro multifunction devices, specifically targeting firmware versions prior to 12.050.03.000, 13.x before 13.050.03.000, and 14.x before 14.050.03.000. These devices operate within enterprise environments where document security and data integrity are paramount, making the potential impact of such vulnerabilities particularly concerning for organizations relying on these systems for sensitive information processing. The affected devices are commonly deployed in office environments where they handle confidential documents and user data, creating a significant attack surface that could be exploited by malicious actors.
The technical flaws manifest in three distinct scenarios related to image overwrite operations within the device's local user interface. The first vulnerability involves an Immediate Image Overwrite (IIO) error message that appears at the Local User Interface when an overwrite operation fails, potentially exposing system state information to unauthorized users. This represents a security misconfiguration where error messages reveal internal system behavior that could aid attackers in understanding the device's operational mechanics. The second issue occurs when a Held Job is deleted and results in an IIO failure, which could create inconsistent system states or leave residual data that might be recoverable. The third vulnerability involves On Demand Image Overwrite failures when attempting to overwrite data exceeding 2 gigabytes, suggesting a potential buffer overflow or memory management issue that could lead to system instability or privilege escalation.
From an operational perspective, these vulnerabilities could enable attackers to gain unauthorized access to sensitive documents or compromise the integrity of the device's storage systems. The IIO error messages could provide attackers with information about the device's internal state, potentially revealing details about job processing, memory allocation, or file system operations. This aligns with CWE-200, which addresses information exposure through error messages, and could facilitate further attacks by providing insights into system behavior. The failure conditions when handling large data overwrites may create opportunities for denial of service attacks or could potentially be exploited to execute arbitrary code if the system does not properly validate input sizes or handle memory allocation errors.
The attack vectors for these vulnerabilities remain unspecified but likely involve local access through the device's user interface or network-based exploitation if the device has network capabilities. According to ATT&CK framework, these vulnerabilities could map to multiple techniques including privilege escalation through system configuration manipulation, and potentially information gathering through error message analysis. Organizations using these devices should consider the potential for attackers with physical access to exploit these vulnerabilities, as well as the risk of network-based attacks if the devices are improperly configured or lack adequate network segmentation.
Mitigation strategies should include immediate firmware updates to versions 12.050.03.000, 13.050.03.000, or 14.050.03.000 respectively, as these versions contain the necessary patches to address the identified issues. Network administrators should also implement proper access controls to limit physical access to these devices and ensure that only authorized personnel can interact with the local user interface. Additional security measures should include monitoring for unusual error message patterns, implementing network segmentation to isolate these devices from critical systems, and conducting regular vulnerability assessments to identify similar issues in other enterprise devices. The vulnerability highlights the importance of maintaining up-to-date firmware and security patches, particularly for IoT devices and office equipment that often operate with minimal security oversight in enterprise environments.