CVE-2023-43530 in Snapdragon
Summary
by MITRE • 05/06/2024
Memory corruption in HLOS while checking for the storage type.
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Analysis
by VulDB Data Team • 05/09/2026
This vulnerability represents a critical memory corruption flaw within the Hardware Layer Operating System HLOS component that occurs during storage type validation processes. The issue stems from inadequate input validation and memory management during the storage type checking routine, creating potential pathways for arbitrary code execution or system instability. The vulnerability manifests when the system attempts to verify storage device types, particularly in scenarios involving untrusted input from external storage devices or firmware components. This type of flaw falls under the broader category of memory safety issues that can lead to privilege escalation and system compromise. The technical implementation likely involves buffer overflows, use-after-free conditions, or improper memory allocation during storage type verification procedures. Such vulnerabilities are particularly dangerous in embedded systems and mobile devices where HLOS components handle critical hardware interactions and device management functions. The flaw may be exploited through malicious storage devices or firmware updates that trigger the vulnerable code path during device initialization or storage enumeration processes. According to CWE classification, this vulnerability aligns with CWE-121 stack buffer overflow and CWE-787 out-of-bounds write conditions that occur during memory operations. The operational impact includes potential system crashes, unauthorized access to device resources, and complete system compromise depending on the execution context. Attackers leveraging this vulnerability could gain elevated privileges to execute malicious code with kernel-level access, potentially leading to persistent backdoors or complete device takeover. The vulnerability may be categorized under ATT&CK technique T1068, which involves exploiting legitimate credentials and system privileges to gain higher-level access. Organizations should implement immediate mitigations including firmware updates, input validation patches, and runtime protections such as address space layout randomization and stack canaries. Additionally, comprehensive security testing of storage management components and regular vulnerability assessments should be conducted to identify similar memory corruption patterns. The remediation process requires careful analysis of the storage type checking logic and implementation of proper bounds checking, memory allocation validation, and input sanitization procedures to prevent unauthorized memory access patterns.