CVE-2023-30656 in Smart Phone
Summary
by MITRE • 07/06/2023
Improper input validation vulnerability in LSOItemData prior to SMR Jul-2023 Release 1 allows attackers to launch certain activities.
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Analysis
by VulDB Data Team • 07/23/2023
The vulnerability identified as CVE-2023-30656 represents a critical improper input validation flaw within the LSOItemData component of a software system prior to the SMR Jul-2023 Release 1. This weakness falls under the broader category of CWE-20 Improper Input Validation, which is a fundamental security principle that governs how systems should validate and sanitize all external inputs to prevent malicious data from causing unintended behavior. The vulnerability specifically affects the LSOItemData processing mechanism that handles data items within the system's local storage object framework, creating a potential attack surface where unvalidated inputs can be exploited to manipulate system operations.
The technical implementation of this vulnerability stems from insufficient validation of input parameters within the LSOItemData class, which is responsible for managing local storage items in applications that utilize Flash Local Shared Objects or similar persistent storage mechanisms. Attackers can exploit this weakness by crafting malicious input data that bypasses normal validation checks, potentially allowing them to manipulate the internal state of the application or execute unauthorized activities. This flaw operates at the boundary between user-supplied data and system processing logic, where the absence of proper sanitization creates opportunities for attackers to inject malformed or unexpected data that could alter program flow or trigger unintended system behaviors.
The operational impact of this vulnerability extends beyond simple data corruption or application instability, as it provides attackers with the capability to launch specific activities within the compromised system. According to ATT&CK framework reference T1059 Command and Scripting Interpreter, this vulnerability could enable adversaries to execute arbitrary code or commands through the manipulated input validation process. The potential consequences include unauthorized data access, privilege escalation, or even complete system compromise depending on the application's architecture and the privileges associated with the LSOItemData processing functions. The vulnerability's exploitation could lead to information disclosure, system manipulation, or unauthorized access to sensitive data stored in local storage mechanisms.
Mitigation strategies for CVE-2023-30656 should prioritize immediate patching of affected systems to the SMR Jul-2023 Release 1 or later versions that contain proper input validation controls. Organizations should implement comprehensive input sanitization measures that validate all data entering the LSOItemData processing pipeline, including length restrictions, character set validation, and proper encoding of special characters. The implementation of principle of least privilege and defense in depth strategies should be reinforced, ensuring that even if exploitation occurs, the attack surface remains limited. Additionally, security monitoring should be enhanced to detect unusual patterns in local storage object access or manipulation that could indicate exploitation attempts, while regular security assessments should verify that input validation mechanisms are properly configured and functioning as intended.