CVE-2024-8255 in DTN Soft
Summary
by MITRE • 08/29/2024
Delta Electronics DTN Soft version 2.0.1 and prior are vulnerable to an attacker achieving remote code execution through a deserialization of untrusted data vulnerability.
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Analysis
by VulDB Data Team • 09/07/2024
Delta Electronics DTN Soft version 2.0.1 and earlier contains a critical remote code execution vulnerability resulting from unsafe deserialization of untrusted data. This flaw exists within the application's handling of serialized data structures that are not properly validated or sanitized before processing. The vulnerability stems from the application's failure to implement proper input validation mechanisms when deserializing data from external sources, creating an attack surface where maliciously crafted serialized objects can be executed with the privileges of the affected application. This represents a classic deserialization vulnerability that aligns with CWE-502, which specifically addresses unsafe deserialization of untrusted data. The attack vector allows remote exploitation without requiring authentication, making it particularly dangerous for systems where the software is exposed to untrusted networks or internet-facing interfaces.
The technical exploitation of this vulnerability enables an attacker to inject malicious code that executes within the context of the DTN Soft application process. When the vulnerable application processes serialized data containing malicious payloads, the deserialization mechanism automatically reconstructs the object structure and executes any associated code within the application's runtime environment. This creates a pathway for attackers to gain full control over the affected system, potentially leading to data exfiltration, system compromise, or lateral movement within network environments. The vulnerability's impact extends beyond simple code execution as it can be leveraged to escalate privileges, establish persistent backdoors, or conduct further reconnaissance activities. According to ATT&CK framework, this vulnerability maps to T1059.007 for remote code execution and T1078 for valid accounts usage, depending on the attack scenario and post-exploitation activities.
The operational implications of this vulnerability are severe for organizations relying on Delta Electronics DTN Soft versions 2.0.1 or earlier, as it provides attackers with a straightforward path to system compromise without requiring advanced exploitation techniques. Organizations using these vulnerable versions may face unauthorized access to sensitive network infrastructure data, potential disruption of industrial control systems, and exposure to additional attack vectors that could lead to broader security breaches. The vulnerability's presence in software versions that may be widely deployed across industrial environments increases the potential impact significantly, particularly in sectors such as manufacturing, energy, or critical infrastructure where system availability and security are paramount. System administrators should consider the possibility of unauthorized access to operational technology environments and the potential for cascading security incidents that could affect multiple interconnected systems.
Mitigation strategies for this vulnerability should prioritize immediate software updates to the latest available version of Delta Electronics DTN Soft that addresses the deserialization flaw. Organizations should implement network segmentation to limit access to systems running the vulnerable software and establish monitoring protocols to detect suspicious deserialization activities or unauthorized access attempts. Input validation controls should be strengthened at all application interfaces to prevent processing of untrusted serialized data, while regular security assessments should be conducted to identify similar vulnerabilities in other applications. The implementation of application whitelisting policies and runtime application self-protection mechanisms can provide additional layers of defense against exploitation attempts. Security teams should also consider deploying intrusion detection systems specifically configured to identify patterns associated with deserialization attacks and maintain comprehensive incident response procedures that account for the potential for remote code execution in industrial control environments.