CVE-2023-21510 : What You Need to Know
Learn about CVE-2023-21510, an out-of-bounds read issue in Samsung Blockchain Keystore allowing local attackers to access arbitrary memory. See impact, mitigation steps, and more.
This article provides detailed information about CVE-2023-21510, a vulnerability identified in Samsung Blockchain Keystore by Samsung Mobile.
Understanding CVE-2023-21510
This vulnerability involves an out-of-bounds read issue in the processing of BC_TUI_CMD_UPDATE_SCREEN in the bc_tui trustlet within Samsung Blockchain Keystore versions prior to 1.3.12.1. It allows a local attacker to access arbitrary memory.
What is CVE-2023-21510?
CVE-2023-21510 is classified as an Out-of-bounds Read vulnerability, specifically CWE-125. This type of vulnerability can potentially lead to unauthorized access to sensitive data stored in the system memory.
The Impact of CVE-2023-21510
The impact of this vulnerability is rated as MEDIUM severity based on the CVSS v3.1 score of 4.4. It could potentially compromise the confidentiality of data on affected devices, with a low attack complexity and high privileges required for exploitation.
Technical Details of CVE-2023-21510
Further technical insights into this CVE can help to understand its implications and severity.
Vulnerability Description
The vulnerability allows a local attacker to exploit the out-of-bounds read issue in Samsung Blockchain Keystore, potentially leading to unauthorized memory access and data disclosure.
Affected Systems and Versions
The affected product is Samsung Blockchain Keystore, specifically versions prior to 1.3.12.1. Users utilizing these versions are at risk of exploitation of this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited by a local attacker who has high privileges on the system to read arbitrary memory, posing a threat to the confidentiality of data within the device.
Mitigation and Prevention
Understanding how to mitigate and prevent CVE-2023-21510 is crucial in maintaining the security of affected systems.
Immediate Steps to Take
Users of Samsung Blockchain Keystore should update their software to version 1.3.12.1 or newer to mitigate the vulnerability and enhance the security of their devices.
Long-Term Security Practices
Implementing strong security practices, such as limiting user privileges and conducting regular security assessments, can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly applying software patches and updates provided by Samsung Mobile is essential to address known vulnerabilities and enhance the overall security posture of Samsung Blockchain Keystore users.