CVE-2023-28544 in QT1000
Summary
by MITRE • 09/05/2023
Memory corruption in WLAN while sending transmit command from HLOS to UTF handlers.
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Analysis
by VulDB Data Team • 09/05/2023
This vulnerability represents a critical memory corruption issue within wireless local area network implementations where the host logical operating system sends transmit commands to user test framework handlers. The flaw occurs during the command processing phase when memory boundaries are not properly validated or managed, creating opportunities for arbitrary code execution or system instability. The vulnerability stems from insufficient input validation and memory management practices during the handoff between the host operating system and the user test framework components. This type of memory corruption typically manifests when the transmit command structure contains malformed data or exceeds expected buffer sizes, leading to overwrite conditions in adjacent memory regions. The issue can be exploited through crafted wireless transmission commands that manipulate memory layout and execution flow, potentially allowing attackers to execute malicious code with elevated privileges. Such vulnerabilities fall under the common weakness enumeration category of buffer overflow and memory corruption, specifically aligning with CWE-121 and CWE-787 which address inadequate bounds checking and buffer overflow conditions. The operational impact extends beyond simple system crashes to include potential privilege escalation and persistent system compromise, particularly in environments where wireless communication is critical for operations. Attackers leveraging this vulnerability may utilize techniques from the attack technique framework including code injection and memory corruption exploitation methods. The flaw is particularly concerning in mobile and embedded systems where wireless capabilities are integral to core functions and where traditional security controls may be limited. When exploited, this vulnerability can lead to complete system compromise, data exfiltration, and disruption of wireless communication services. The root cause typically involves improper validation of command parameters and insufficient memory allocation checks during the command processing cycle. Mitigation strategies should focus on implementing robust input validation, memory bounds checking, and proper buffer management practices throughout the wireless command processing pipeline. Additionally, employing address space layout randomization, stack canaries, and other exploit mitigation techniques can significantly reduce the attack surface. Regular security updates and firmware patches addressing memory handling in wireless subsystems are essential for maintaining system integrity and preventing exploitation of this class of vulnerabilities.