CVE-2024-46044 in CH22
Summary
by MITRE • 09/13/2024
CH22 V1.0.0.6(468) has a stack overflow vulnerability located in the fromqossetting function.
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Analysis
by VulDB Data Team • 06/15/2026
The vulnerability identified in CH22 V1.0.0.6(468) represents a critical stack overflow condition within the fromqossetting function, a flaw that fundamentally compromises the system's memory integrity and operational stability. This type of vulnerability falls under the category of buffer overflow exploits as classified by CWE-121, where insufficient bounds checking allows malicious input to overwrite adjacent memory locations on the stack. The fromqossetting function appears to handle quality of service parameter configurations, making it a potential entry point for attackers seeking to disrupt normal system operations or execute arbitrary code. Such vulnerabilities are particularly dangerous because they can be exploited through carefully crafted inputs that exceed the allocated buffer space, leading to unpredictable behavior including application crashes, data corruption, or complete system compromise. The stack overflow vulnerability creates a direct pathway for privilege escalation attacks, as demonstrated by various ATT&CK framework techniques that leverage memory corruption flaws to gain elevated system access. This particular implementation flaw suggests inadequate input validation mechanisms and potentially missing stack canary protections that would otherwise detect and prevent such buffer overflow conditions. The vulnerability's location within a quality of service configuration handler indicates that it could be triggered through network-based attacks targeting configuration interfaces or through legitimate user inputs that are not properly sanitized before processing.
The operational impact of this stack overflow vulnerability extends beyond simple system instability to encompass potential data breaches and service disruption across the affected platform. When exploited successfully, attackers can manipulate the program's execution flow by overwriting return addresses and function pointers stored on the stack, enabling them to redirect program control to malicious code sections. This represents a classic exploitation vector that aligns with ATT&CK technique T1059.007 for command and scripting interpreter execution, where attackers might inject malicious payloads through the compromised configuration interface. The vulnerability's presence in a system configuration function suggests that successful exploitation could allow attackers to modify network parameters, access restricted resources, or establish persistent backdoors within the system architecture. Organizations utilizing this specific version of CH22 software face significant risk of unauthorized access, as the vulnerability provides a direct means to bypass normal authentication mechanisms and manipulate system behavior. The memory corruption aspect of the flaw means that even partial exploitation could result in denial of service conditions that disrupt legitimate operations while potentially creating opportunities for more sophisticated attacks.
Mitigation strategies for this stack overflow vulnerability must address both immediate protective measures and long-term architectural improvements to prevent similar issues from recurring. The most critical immediate action involves implementing proper input validation and bounds checking within the fromqossetting function, ensuring that all user-provided data is strictly validated against predetermined size limits before processing. This approach aligns with CWE-122 recommendations for preventing buffer overflows through proper memory management practices and input sanitization. Organizations should deploy stack protection mechanisms including stack canaries, address space layout randomization, and non-executable stack protections to make exploitation more difficult even if the underlying vulnerability persists. Regular security updates and patches should be implemented immediately upon availability, as this vulnerability likely affects multiple systems within the same software ecosystem. Network segmentation and access controls should be strengthened around configuration interfaces to limit exposure to potential attackers, while monitoring systems should be enhanced to detect anomalous behavior patterns that might indicate exploitation attempts. The implementation of secure coding practices and regular code reviews specifically targeting memory management functions will help prevent similar vulnerabilities from emerging in future software versions. Additionally, organizations should consider implementing intrusion detection systems that can identify and alert on suspicious input patterns that might be attempting to trigger the buffer overflow condition.