CVE-2022-3386 in R-SeeNet
Summary
by MITRE • 10/28/2022
Advantech R-SeeNet Versions 2.4.17 and prior are vulnerable to a stack-based buffer overflow. An unauthorized attacker can use an outsized filename to overflow the stack buffer and enable remote code execution.
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Analysis
by VulDB Data Team • 11/19/2022
The vulnerability identified as CVE-2022-3386 affects Advantech R-SeeNet versions 2.4.17 and earlier, representing a critical stack-based buffer overflow flaw that exposes systems to remote code execution capabilities. This vulnerability resides within the software's handling of filename inputs, where insufficient bounds checking allows maliciously crafted filenames to overwrite adjacent stack memory regions. The flaw specifically manifests when the application processes user-supplied filename data without proper validation, creating an exploitable condition that can be leveraged by unauthorized attackers to gain arbitrary code execution privileges on affected systems.
The technical implementation of this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking permits data to overwrite adjacent memory locations on the stack. Attackers can exploit this weakness by crafting oversized filename inputs that exceed the allocated buffer space, causing a stack overflow that can be manipulated to redirect program execution flow. The vulnerability's remote exploitation capability means that attackers do not require physical access or local credentials to execute malicious code, making it particularly dangerous in networked environments where the software is exposed to external traffic.
The operational impact of CVE-2022-3386 extends beyond simple privilege escalation, as successful exploitation can lead to complete system compromise and potential lateral movement within network infrastructures. Organizations utilizing Advantech R-SeeNet in industrial control systems or surveillance environments face significant risk of operational disruption, data breaches, and potential safety hazards if attackers gain control of these systems. The vulnerability affects the software's ability to process legitimate filenames while simultaneously creating an attack surface that can be leveraged for persistent access, making it a prime target for advanced persistent threat actors who seek long-term presence within critical infrastructure environments.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected systems to version 2.4.18 or later, which contains the necessary fixes to address the buffer overflow condition. Network segmentation and access controls should be implemented to limit exposure of vulnerable systems to untrusted networks, while monitoring systems should be configured to detect unusual filename processing patterns that may indicate exploitation attempts. The ATT&CK framework categorizes this vulnerability under T1059.007 for command and scripting interpreter and T1078.004 for valid accounts, as exploitation typically involves leveraging legitimate system processes to execute malicious code while maintaining operational stealth. Additionally, organizations should implement input validation mechanisms at multiple layers of their network infrastructure to prevent oversized filename inputs from reaching the vulnerable application components, ensuring defense-in-depth strategies that complement the primary patching remediation efforts.