CVE-2019-10991 Explained : Impact and Mitigation

CVE-2019-10991 was published on June 28, 2019, and affects WebAccess/SCADA versions 8.3.5 and prior. The vulnerability stems from inadequate validation of user-supplied data length, potentially leading to remote code execution.

Understanding CVE-2019-10991

In WebAccess/SCADA versions 8.3.5 and earlier, multiple stack-based buffer overflow vulnerabilities exist due to improper validation of user-supplied data length.

What is CVE-2019-10991?

Prior to version 8.3.5, WebAccess/SCADA is susceptible to remote code execution due to vulnerabilities arising from insufficient validation of user-supplied data length.

The Impact of CVE-2019-10991

The vulnerability allows attackers to potentially execute remote code on affected systems, posing a significant security risk.

Technical Details of CVE-2019-10991

WebAccess/SCADA versions 8.3.5 and earlier are affected by this vulnerability.

Vulnerability Description

Multiple stack-based buffer overflow vulnerabilities are present in WebAccess/SCADA due to the lack of proper validation of user-supplied data length.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerabilities can be exploited by malicious actors to achieve remote code execution on the affected systems.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2019-10991.

Immediate Steps to Take

Update WebAccess/SCADA to the latest version that includes a patch for this vulnerability.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent known vulnerabilities.
Conduct security training for employees to raise awareness of potential threats.

Patching and Updates

Ensure that all systems running WebAccess/SCADA are regularly updated with the latest security patches to mitigate the risk of exploitation.