CVE-2019-14462 : Vulnerability Insights and Analysis
Discover the impact of CVE-2019-14462 found in libmodbus versions before 3.0.7 and 3.1.x. Learn about the out-of-bounds read vulnerability and how to mitigate the risk.
A vulnerability has been found in libmodbus versions prior to 3.0.7 and 3.1.x versions prior to 3.1.5. It pertains to an out-of-bounds read when handling the MODBUS_FC_WRITE_MULTIPLE_COILS case, also known as VD-1302.
Understanding CVE-2019-14462
This CVE entry describes a specific vulnerability found in libmodbus versions.
What is CVE-2019-14462?
CVE-2019-14462 is an issue discovered in libmodbus before version 3.0.7 and 3.1.x before 3.1.5. It involves an out-of-bounds read vulnerability related to the MODBUS_FC_WRITE_MULTIPLE_COILS case, also known as VD-1302.
The Impact of CVE-2019-14462
The vulnerability could potentially allow attackers to read out-of-bounds memory, leading to information disclosure or potential system compromise.
Technical Details of CVE-2019-14462
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability in libmodbus versions allows for an out-of-bounds read when processing the MODBUS_FC_WRITE_MULTIPLE_COILS case, identified as VD-1302.
Affected Systems and Versions
- Versions prior to 3.0.7 of libmodbus are affected.
- Versions prior to 3.1.5 of libmodbus 3.1.x are also impacted.
Exploitation Mechanism
The vulnerability can be exploited by manipulating the MODBUS_FC_WRITE_MULTIPLE_COILS case, potentially leading to unauthorized access or data leakage.
Mitigation and Prevention
Protecting systems from CVE-2019-14462 requires specific actions.
Immediate Steps to Take
- Update libmodbus to version 3.0.7 or 3.1.5 to mitigate the vulnerability.
- Monitor for any unusual activities that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions to address known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security updates and patches released by libmodbus to address vulnerabilities like CVE-2019-14462.