CVE-2019-10987 : Vulnerability Insights and Analysis

WebAccess/SCADA Versions 8.3.5 and prior have multiple vulnerabilities leading to out-of-bounds writes, allowing remote code execution.

Understanding CVE-2019-10987

WebAccess/SCADA software versions prior to 8.3.5 are susceptible to out-of-bounds write vulnerabilities due to inadequate validation of user-supplied data.

What is CVE-2019-10987?

CVE-2019-10987 refers to the presence of multiple vulnerabilities in WebAccess/SCADA software versions before 8.3.5, enabling attackers to execute remote code by exploiting out-of-bounds write issues.

The Impact of CVE-2019-10987

The exploitation of these vulnerabilities can result in remote code execution, posing a significant security risk to affected systems.

Technical Details of CVE-2019-10987

WebAccess/SCADA Versions 8.3.5 and prior are affected by critical out-of-bounds write vulnerabilities due to insufficient validation of user-provided data.

Vulnerability Description

The vulnerabilities in WebAccess/SCADA software versions before 8.3.5 allow attackers to write data beyond the allocated memory space, potentially leading to remote code execution.

Affected Systems and Versions

Product: WebAccess/SCADA
Vendor: WebAccess
Versions Affected: Versions 8.3.5 and prior

Exploitation Mechanism

Attackers can exploit the lack of proper data length validation in user inputs to trigger out-of-bounds writes, enabling the execution of malicious code remotely.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-10987 vulnerabilities.

Immediate Steps to Take

Update WebAccess/SCADA software to version 8.3.5 or later to mitigate the vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users and administrators about secure coding practices and the importance of validating user inputs.

Patching and Updates

Regularly apply security patches and updates provided by WebAccess to ensure the software is protected against known vulnerabilities.