CVE-2023-24844 in AR8035
Summary
by MITRE • 10/25/2023
Memory Corruption in Core while invoking a call to Access Control core library with hardware protected address range.
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Analysis
by VulDB Data Team • 10/25/2023
The vulnerability identified as CVE-2023-24844 represents a critical memory corruption issue within the core system architecture when processing access control operations through hardware-protected address ranges. This flaw manifests during the execution of calls to the Access Control core library, where the system fails to properly validate or handle memory operations within protected hardware regions, creating potential pathways for unauthorized access or system instability. The vulnerability specifically targets the interaction between software components and hardware memory protection mechanisms, exploiting a gap in how the core system manages memory boundaries when executing access control functions.
Memory corruption vulnerabilities of this nature typically arise from improper handling of memory addresses, buffer overflows, or insufficient validation of memory access patterns within protected regions. The hardware protected address range aspect indicates that the flaw occurs within memory areas that are normally safeguarded by processor-level protections such as memory management units or hardware security modules. When the Access Control core library attempts to process requests within these protected regions, the system's memory management logic fails to properly enforce boundary checks, potentially allowing malicious actors to manipulate memory contents or bypass access controls. This type of vulnerability directly relates to CWE-121 which describes stack-based buffer overflow conditions and CWE-122 which covers heap-based buffer overflow conditions, both of which can result in memory corruption when proper bounds checking is not enforced.
The operational impact of CVE-2023-24844 extends beyond simple memory corruption, potentially enabling attackers to escalate privileges, execute arbitrary code, or cause system crashes. The hardware protection mechanisms that should normally prevent unauthorized memory access are effectively bypassed or circumvented through this vulnerability, creating a security boundary failure that could allow attackers to gain access to sensitive system resources or manipulate access control decisions. In environments where hardware security features are critical for maintaining system integrity, this vulnerability represents a significant risk that could compromise the entire security posture of affected systems. The exploitation of such vulnerabilities often maps to ATT&CK technique T1068 which covers 'Exploitation for Privilege Escalation' and T1499 which covers 'Endpoint Denial of Service' as attackers could potentially leverage this flaw to either gain elevated privileges or disrupt system operations.
Mitigation strategies for CVE-2023-24844 should focus on strengthening memory validation mechanisms within the Access Control core library and ensuring proper boundary checking when operating within hardware-protected memory regions. System administrators should implement immediate patches or updates from vendors that address the specific memory handling logic in the affected components. Additional protective measures include enhancing memory access monitoring, implementing stricter validation of address ranges before memory operations, and deploying runtime protection mechanisms that can detect and prevent unauthorized memory access attempts. Organizations should also conduct thorough security assessments of their memory management implementations and review hardware security configurations to ensure that protection mechanisms are properly enforced. The remediation process should include verification that all memory access operations within protected regions properly validate input parameters and maintain appropriate isolation between different memory protection domains to prevent similar vulnerabilities from emerging in other system components.