CVE-2022-33707 in Find My Mobile
Summary
by MITRE • 07/12/2022
Improper identifier creation logic in Find My Mobile prior to version 7.2.24.12 allows attacker to identify the device.
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Analysis
by VulDB Data Team • 07/22/2022
The vulnerability identified as CVE-2022-33707 represents a critical weakness in the Find My Mobile functionality of certain mobile devices, specifically affecting versions prior to 7.2.24.12. This flaw resides in the improper creation logic of device identifiers, which fundamentally compromises the security of device tracking mechanisms. The vulnerability falls under the broader category of weak identifier generation, which is classified as CWE-1037 in the Common Weakness Enumeration framework, indicating inadequate control of identifiers used in security contexts. The issue manifests when the system fails to properly generate or validate unique device identifiers, creating predictable or easily guessable identifiers that can be exploited by malicious actors.
The technical implementation of this vulnerability stems from the flawed logic in how device identifiers are constructed within the Find My Mobile service. When a device registers with the tracking service, the system should generate a cryptographically secure, unique identifier that cannot be easily reverse-engineered or predicted by unauthorized parties. However, in affected versions, the identifier generation process fails to incorporate sufficient entropy or randomness, resulting in identifiers that exhibit patterns or predictable sequences. This weakness allows attackers to enumerate valid device identifiers through brute force or pattern analysis, effectively enabling them to discover and potentially track specific devices within the system. The operational impact extends beyond simple device tracking, as this vulnerability could facilitate more sophisticated attacks including device hijacking, location-based surveillance, or even targeted attacks against device users.
The security implications of CVE-2022-33707 align with several tactics outlined in the MITRE ATT&CK framework, particularly those related to reconnaissance and credential access. Attackers can leverage this vulnerability to perform device enumeration activities, gathering information about specific devices within a network or user base. This reconnaissance phase enables more targeted attacks and can be combined with other exploitation techniques to compromise device integrity. The vulnerability also represents a failure in the principle of least privilege, as the system should not expose device identifiers that could be used to compromise user privacy or device security. The lack of proper identifier validation and generation creates an attack surface that directly violates security best practices for mobile device management systems.
Organizations and device manufacturers should prioritize immediate remediation by updating to version 7.2.24.12 or later, which contains the necessary patches to address the identifier generation logic flaw. The mitigation strategy should also include implementing proper entropy sources for identifier generation, ensuring that device identifiers are cryptographically secure and unpredictable. Additionally, system administrators should conduct thorough security assessments of their mobile device management configurations to identify any other potential weaknesses in identifier handling. The vulnerability highlights the critical importance of proper identifier management in security systems, as weak identifiers can undermine even the most robust authentication and access control mechanisms. Security teams should also consider implementing monitoring solutions that can detect anomalous device enumeration activities, which may indicate exploitation attempts targeting this specific vulnerability.