CVE-2024-34634 in Notes
Summary
by MITRE • 08/07/2024
Out-of-bounds read in parsing connected object list in Samsung Notes prior to version 4.4.21.62 allows local attacker to access unauthorized memory.
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Analysis
by VulDB Data Team • 08/10/2024
The vulnerability identified as CVE-2024-34634 represents a critical out-of-bounds read flaw discovered in Samsung Notes application versions prior to 4.4.21.62. This issue manifests during the parsing of connected object lists within the application's memory management system, creating a potential pathway for unauthorized memory access that could be exploited by local attackers. The vulnerability stems from insufficient bounds checking mechanisms when processing structured data elements that define connections between various objects within the notes application's internal data structures.
The technical implementation of this flaw occurs when Samsung Notes attempts to parse and process lists of connected objects that represent relationships between different elements in the note-taking system. During this parsing operation, the application fails to properly validate the boundaries of memory regions that contain object connection data, allowing an attacker to manipulate input data in such a way that reads beyond allocated memory boundaries. This condition creates opportunities for information disclosure and potential system instability. The vulnerability aligns with CWE-129, which specifically addresses improper validation of length of buffers, and represents a classic example of insufficient input validation that enables memory safety violations.
From an operational perspective, this vulnerability presents significant risks to Samsung Notes users who may be subjected to unauthorized memory access by local attackers who have already gained system-level privileges. The out-of-bounds read could potentially expose sensitive data stored in adjacent memory regions, including user credentials, personal information, or application state data that might be accessible through memory probing techniques. Attackers could leverage this vulnerability to extract confidential information or potentially escalate privileges within the application environment, particularly when combined with other exploitation techniques that might be available in the local attack surface. This represents a serious concern for mobile device security where applications often handle sensitive personal and business information.
The mitigation strategy for CVE-2024-34634 requires immediate deployment of Samsung Notes version 4.4.21.62 or later, which includes proper bounds checking mechanisms and memory validation routines to prevent out-of-bounds read conditions. Organizations should implement comprehensive patch management procedures to ensure all affected devices receive the necessary security updates. Additionally, system administrators should monitor for any unusual memory access patterns or information disclosure incidents that might indicate exploitation attempts. The vulnerability demonstrates the importance of robust input validation and memory safety practices in mobile applications, particularly those handling user data and maintaining complex internal data structures. Security teams should consider implementing application sandboxing and memory protection mechanisms as additional defensive measures, while also conducting regular security assessments of mobile applications to identify similar vulnerabilities in the application codebase. This vulnerability underscores the necessity of adhering to secure coding practices and following established security frameworks such as those recommended by the OWASP Mobile Security Project and NIST guidelines for mobile application security.