CVE-2022-38142 in InfraSuite Device Master
Summary
by MITRE • 11/01/2022
Delta Electronics InfraSuite Device Master versions 00.00.01a and prior deserialize user-supplied data provided through the Device-Gateway service port without proper verification. An attacker could provide malicious serialized objects to execute arbitrary code upon deserialization.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 11/25/2022
The vulnerability identified as CVE-2022-38142 affects Delta Electronics InfraSuite Device Master software versions 00.00.01a and earlier, presenting a critical security flaw in the device gateway service implementation. This vulnerability stems from insufficient input validation during the deserialization process of user-supplied data, creating a pathway for remote code execution attacks. The Device-Gateway service port serves as the primary interface through which serialized objects are received, making it a prime target for exploitation. The flaw represents a classic deserialization vulnerability that has been documented across numerous security frameworks and threat intelligence platforms.
The technical implementation of this vulnerability involves the application's failure to properly validate or sanitize serialized data before processing it through the deserialization mechanism. When the Device-Gateway service receives data through its designated port, it blindly accepts and attempts to deserialize the provided objects without adequate security checks or object type verification. This behavior creates a dangerous attack surface where malicious actors can craft specially crafted serialized objects designed to execute arbitrary code on the target system. The vulnerability aligns with CWE-502, which specifically addresses deserialization of untrusted data as a security weakness, and corresponds to ATT&CK technique T1203, which covers exploitation for arbitrary code execution through deserialization attacks.
The operational impact of this vulnerability extends beyond simple code execution, as successful exploitation could allow attackers to gain full control over the affected Device Master system. This compromise could enable attackers to modify device configurations, access sensitive operational data, disrupt service availability, or establish persistence within the network infrastructure. The attack vector is particularly concerning as it allows for remote exploitation without requiring authentication, making it accessible to threat actors with network access to the Device-Gateway service port. The implications are especially severe in industrial control systems environments where such devices often manage critical infrastructure components.
Mitigation strategies for CVE-2022-38142 should prioritize immediate software updates to versions that address the deserialization vulnerability. Organizations should implement network segmentation to restrict access to the Device-Gateway service port, limiting exposure to only trusted networks and systems. Additional protective measures include deploying network intrusion detection systems to monitor for suspicious deserialization patterns and implementing strict access controls for the affected service. Security teams should also conduct comprehensive vulnerability assessments of their industrial control systems to identify similar implementation flaws in other components. The remediation process should follow established security protocols including thorough testing of updated firmware to ensure operational stability while addressing the identified security weakness. Organizations must also consider implementing application-level firewalls or proxies to filter serialized data before it reaches the vulnerable deserialization components.