CVE-2023-5404 in Experion Server
Summary
by MITRE • 04/17/2024
Server receiving a malformed message can cause a pointer to be overwritten which can result in a remote code execution or failure. See Honeywell Security Notification for recommendations on upgrading and versioning.
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Analysis
by VulDB Data Team • 07/10/2024
This vulnerability represents a critical memory corruption flaw that affects server applications processing malformed input messages. The issue manifests when the server receives specially crafted data that triggers a pointer overwriting condition during message processing. Such pointer corruption typically occurs in memory management routines where input validation fails to properly handle unexpected data structures, leading to arbitrary memory location modifications. The vulnerability falls under the category of buffer overflow conditions and memory safety issues that have been extensively documented in cybersecurity frameworks. According to the CWE classification system, this represents a variant of CWE-121 which encompasses stack-based buffer overflow conditions, while also aligning with CWE-787 which addresses out-of-bounds write conditions.
The operational impact of this vulnerability extends beyond simple service disruption to encompass full remote code execution capabilities. When a pointer is overwritten, attackers can manipulate the program execution flow to redirect code execution to malicious payloads injected into the memory space. This creates a pathway for attackers to gain unauthorized access to the affected system, potentially escalating privileges and establishing persistent access. The vulnerability's remote exploitability means that attackers need only send malformed messages to the server without requiring local access or authentication credentials. This characteristic places the vulnerability in the ATT&CK framework under the T1203 technique for Exploitation for Client Execution, and potentially T1059 for Command and Scripting Interpreter if successful exploitation occurs.
The specific conditions leading to this vulnerability involve improper input validation mechanisms within the server's message parsing components. When legitimate message formats are not properly enforced, the server's memory management routines can be tricked into treating corrupted data as valid pointers, leading to memory corruption. The Honeywell Security Notification referenced in the description indicates that this is a known issue requiring immediate attention through software upgrades and versioning controls. Organizations must implement comprehensive patch management protocols to address this vulnerability, as the window for exploitation remains open until proper security updates are deployed. The vulnerability demonstrates the importance of robust input validation and memory safety practices in server-side applications, emphasizing the need for defensive programming techniques and runtime protections.
Mitigation strategies should include immediate deployment of vendor-provided patches and updates, implementation of network segmentation to limit exposure, and enhanced monitoring of network traffic for malformed message patterns. Organizations should also consider implementing application whitelisting and runtime application protection mechanisms to detect and prevent exploitation attempts. The vulnerability underscores the necessity of regular security assessments and penetration testing to identify similar memory corruption issues within the broader application ecosystem. Additionally, implementing proper error handling and graceful degradation mechanisms can help prevent exploitation attempts from causing complete system failures, while maintaining operational continuity during security incidents.