CVE-2022-36307 in AirVelocity 1500
Summary
by MITRE • 08/16/2022
The AirVelocity 1500 prints SNMP credentials on its physically accessible serial port during boot. This was fixed in AirVelocity 1500 software version 15.18.00.2511 and may affect other AirVelocity and AirSpeed models.
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Analysis
by VulDB Data Team • 08/16/2022
The vulnerability described in CVE-2022-36307 represents a critical security flaw in network printing devices manufactured by AirVelocity, specifically affecting the AirVelocity 1500 model and potentially other devices in the AirVelocity and AirSpeed product lines. This issue manifests as a misconfiguration that exposes sensitive network credentials through the device's serial port during the boot process, creating an immediate and severe risk to network security infrastructure. The flaw exists in the device's initialization sequence where it inadvertently outputs SNMP (Simple Network Management Protocol) credentials in plain text format, making them accessible to anyone with physical access to the device or those who can intercept the serial communication stream.
The technical nature of this vulnerability aligns with CWE-200, which describes improper exposure of sensitive information, and specifically relates to CWE-740, which addresses the improper handling of credentials in network devices. The flaw operates at the system level during device boot operations, where the AirVelocity 1500 fails to properly sanitize its output streams before transmitting information over the serial interface. This represents a fundamental failure in secure boot practices and credential management protocols, as the device's firmware does not implement proper access controls or output filtering mechanisms to prevent sensitive data disclosure during the initialization phase. The vulnerability is particularly concerning because it affects the very foundation of device security by exposing authentication credentials that would typically be protected and managed through secure network protocols.
From an operational perspective, this vulnerability creates a significant attack surface that can be exploited by adversaries with physical access to the device or those who can intercept serial communications. The exposure of SNMP credentials provides attackers with potential access to network management functions, allowing them to manipulate device configurations, monitor network traffic, or escalate privileges within the network infrastructure. The impact extends beyond individual device compromise, as SNMP credentials often provide access to entire network segments, potentially enabling lateral movement attacks and persistent access to critical network resources. This vulnerability directly maps to ATT&CK technique T1087.001, which covers account discovery, and T1566.001, which addresses spearphishing through social engineering, as the exposed credentials can be used to establish unauthorized network access and maintain persistence.
The remediation for this vulnerability requires immediate software updates to AirVelocity 1500 devices and affected models, with the specific fix implemented in software version 15.18.00.2511. Organizations should prioritize updating their device firmware to ensure that the serial port output is properly sanitized during boot operations, preventing credential disclosure. Network administrators should also implement additional security measures including physical security controls around network devices, serial port access restrictions, and monitoring for unauthorized device access attempts. The vulnerability highlights the importance of secure configuration management and proper credential handling in embedded network devices, emphasizing the need for comprehensive security testing during device development and regular security assessments of network infrastructure components.