CVE-2024-34626 in Notes
Summary
by MITRE • 08/07/2024
Out-of-bounds read in applying own binary in Samsung Notes prior to version 4.4.21.62 allows local attackers to potentially read memory.
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Analysis
by VulDB Data Team • 08/10/2024
The vulnerability identified as CVE-2024-34626 represents a critical out-of-bounds read flaw within Samsung Notes application prior to version 4.4.21.62. This security weakness resides in the application's handling of binary data processing, specifically when the software attempts to apply or manipulate its own binary files during operation. The flaw manifests when the application processes internal binary components without proper bounds checking, creating opportunities for memory access violations that could potentially expose sensitive data. Such vulnerabilities typically arise from insufficient input validation and memory management practices within the application's core processing functions.
The technical implementation of this vulnerability involves the application's failure to properly validate array indices or buffer boundaries when processing binary data structures. When Samsung Notes attempts to manipulate or apply its own binary components, the software does not adequately verify that memory access operations remain within allocated boundaries. This allows a local attacker to craft specific inputs that trigger memory read operations beyond the intended buffer limits, potentially accessing adjacent memory regions containing sensitive information. The vulnerability operates at the application level and requires local system access to exploit, making it a local privilege escalation vector with significant implications for data confidentiality and system integrity.
From an operational perspective, this vulnerability presents substantial risks to Samsung Notes users who may unknowingly expose their data through seemingly benign application usage. The out-of-bounds read could potentially reveal sensitive information including user credentials, personal notes, or other confidential data stored within the application's memory space. Attackers could leverage this weakness to gain unauthorized access to stored information or potentially escalate privileges within the local system. The vulnerability's impact extends beyond simple data exposure as it may provide attackers with additional attack vectors for further exploitation. According to CWE classification, this vulnerability maps to CWE-129: Improper Validation of Array Index, which specifically addresses inadequate validation of array indices leading to out-of-bounds memory access. The ATT&CK framework categorizes this as a local privilege escalation technique through memory corruption vulnerabilities, potentially enabling attackers to execute arbitrary code or extract sensitive data from memory.
The recommended mitigation strategy involves immediate deployment of Samsung Notes version 4.4.21.62 or later, which includes proper bounds checking mechanisms and input validation controls. System administrators should prioritize patching all affected devices and implement monitoring for unusual memory access patterns or application behavior that might indicate exploitation attempts. Organizations should also consider implementing additional security controls such as application whitelisting, memory protection mechanisms, and regular security assessments of mobile applications. The vulnerability demonstrates the critical importance of proper input validation and memory management practices in mobile applications, particularly those handling sensitive user data. Security teams should monitor for any related exploitation attempts and maintain awareness of similar vulnerabilities in other Samsung applications that may share similar codebases or processing mechanisms.