CVE-2021-38423 : Security Advisory and Response

A detailed overview of CVE-2021-38423, a vulnerability related to GurumDDS that leads to heap-based incorrect calculation of buffer size.

Understanding CVE-2021-38423

This section covers the essential information related to CVE-2021-38423.

What is CVE-2021-38423?

CVE-2021-38423 involves all versions of GurumDDS incorrectly calculating the size when allocating buffers, which can result in a buffer overflow.

The Impact of CVE-2021-38423

The vulnerability poses a medium severity risk with a CVSS base score of 6.6. It can lead to high availability impact on affected systems.

Technical Details of CVE-2021-38423

Explore the technical aspects of CVE-2021-38423 to understand the vulnerability better.

Vulnerability Description

GurumDDS versions are prone to a heap-based incorrect calculation of buffer size, potentially allowing attackers to trigger a buffer overflow.

Affected Systems and Versions

All versions of GurumDDS are impacted by this vulnerability due to improper size calculations during buffer allocation.

Exploitation Mechanism

The vulnerability can be exploited locally with low attack complexity and low privileges required.

Mitigation and Prevention

Discover the steps to mitigate and prevent the exploitation of CVE-2021-38423.

Immediate Steps to Take

Users should promptly contact GurumNetworks for assistance in addressing the vulnerability and implementing necessary security measures.

Long-Term Security Practices

Implement robust security practices such as regular software updates, security patches, and ongoing monitoring to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates and patches provided by GurumNetworks to secure GurumDDS and protect systems from potential attacks.