CVE-2024-34624 in Notes
Summary
by MITRE • 08/07/2024
Out-of-bounds read in applying paragraphs in Samsung Notes prior to version 4.4.21.62 allows local attackers to potentially read memory.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 08/10/2024
Samsung Notes is a digital note-taking application that allows users to create, edit, and manage various types of content including text paragraphs. This vulnerability affects versions prior to 4.4.21.62 where the application fails to properly validate input data when processing paragraph formatting operations. The flaw manifests as an out-of-bounds read condition that occurs during the application of paragraph styling or formatting changes within the note editing interface.
The technical implementation of this vulnerability stems from insufficient bounds checking in the paragraph processing engine. When users apply formatting to text paragraphs or manipulate paragraph structures, the application does not adequately verify array indices or memory boundaries before accessing data structures containing paragraph information. This allows a local attacker with access to the application to craft malicious input that triggers memory access violations beyond the allocated buffer boundaries. The vulnerability is classified as a CWE-129 Input Validation and Bounds Checking issue, specifically representing an out-of-bounds read that could potentially expose sensitive memory contents to unauthorized access.
From an operational perspective, this vulnerability presents a significant risk to users who store sensitive information within Samsung Notes. Local attackers could exploit this flaw to read memory contents that might contain user data, application state information, or potentially cryptographic keys used by the application. The attack requires local system access and user interaction with the vulnerable application, making it a privilege escalation vector rather than a remote attack. However, the impact extends beyond simple information disclosure as the memory reads could potentially reveal application internals or user data that could be leveraged in subsequent attacks. This vulnerability aligns with ATT&CK technique T1059 Command and Scripting Interpreter where an attacker might use such memory reading capabilities to gather intelligence about the target system or application.
The recommended mitigation involves upgrading to Samsung Notes version 4.4.21.62 or later where the out-of-bounds read has been addressed through proper bounds checking implementation. Users should also implement additional security measures such as limiting local system access to the application and monitoring for unusual memory access patterns. Security administrators should ensure all devices running Samsung Notes are updated with the latest security patches and consider implementing application whitelisting policies to restrict execution of untrusted note files. Organizations should conduct regular vulnerability assessments to identify and remediate similar issues in other applications that process user-generated content with complex formatting capabilities.