CVE-2023-33046 in 8 Gen 2 Mobile Platforminfo

Summary

by MITRE • 02/06/2024

Memory corruption in Trusted Execution Environment while deinitializing an object used for license validation.

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Analysis

by VulDB Data Team • 08/07/2025

The vulnerability identified as CVE-2023-33046 represents a critical memory corruption issue within Trusted Execution Environments that specifically manifests during the deinitialization phase of license validation objects. This flaw exists in the secure execution environment where sensitive operations related to software licensing and entitlement validation occur. The issue arises when the system attempts to clean up or destroy objects that are responsible for validating software licenses, creating conditions where memory management operations can lead to unpredictable behavior and potential system compromise. The Trusted Execution Environment serves as a critical security boundary where sensitive operations must maintain strict integrity and confidentiality properties, making any memory corruption within this domain particularly dangerous.

The technical root cause of this vulnerability stems from improper handling of memory resources during object destruction processes within the license validation subsystem. During deinitialization, the system fails to properly manage memory pointers or object references, leading to potential memory overwrite conditions or use-after-free scenarios. This type of memory corruption can occur when the deinitialization routine attempts to access memory that has already been freed or when it fails to properly validate object state before proceeding with cleanup operations. The vulnerability is particularly concerning because it operates within the Trusted Execution Environment where security assumptions are paramount, and any flaw in memory management can undermine the entire security model of the system. The flaw can be categorized under CWE-125 as out-of-bounds read conditions or CWE-415 as double free conditions, depending on the specific manifestation of the memory corruption.

The operational impact of CVE-2023-33046 extends beyond simple system instability to potentially enable sophisticated attack vectors that could compromise the security of the entire Trusted Execution Environment. An attacker who can trigger this vulnerability may be able to execute arbitrary code within the secure environment, potentially gaining access to protected licensing information or bypassing security controls. The memory corruption could enable privilege escalation attacks where an unprivileged user or process might gain elevated privileges within the secure execution context. Additionally, the vulnerability could be leveraged to cause denial-of-service conditions that prevent legitimate license validation operations from completing successfully, effectively disabling software protection mechanisms. This aligns with ATT&CK technique T1059 for execution and T1068 for exploit for privilege escalation within the secure environment context.

Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements to prevent similar issues in future implementations. The primary recommendation involves implementing proper memory management practices during object deinitialization, including validating object states before cleanup operations and ensuring proper pointer management. Organizations should deploy patches that correct the memory corruption issue in the Trusted Execution Environment components, particularly those handling license validation operations. Additionally, implementing memory safety techniques such as address sanitizers, stack canaries, or heap metadata validation can help detect and prevent similar issues. Security monitoring should be enhanced to detect unusual patterns in license validation operations that might indicate exploitation attempts. The vulnerability highlights the importance of rigorous testing for memory safety issues in secure execution environments and aligns with industry best practices for secure coding and memory management as outlined in NIST SP 800-145 and ISO/IEC 15408 security requirements for trusted computing environments.

Responsible

Qualcomm, Inc.

Reservation

05/17/2023

Disclosure

02/06/2024

Moderation

accepted

CPE

ready

EPSS

0.00082

KEV

no

Activities

very low

Sources

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