CVE-2021-28818 : Security Advisory and Response

This article discusses the TIBCO Rendezvous Windows Platform Artifact Search vulnerability (CVE-2021-28818) that affects versions up to 8.5.1, potentially allowing a local attacker to execute malicious software with elevated privileges.

Understanding CVE-2021-28818

This CVE highlights a vulnerability in TIBCO Rendezvous and TIBCO Rendezvous Developer Edition that could be exploited by a low privileged attacker on Windows OS.

What is CVE-2021-28818?

The vulnerability in TIBCO Rendezvous components allows a local attacker to insert and execute malicious software with elevated privileges.

The Impact of CVE-2021-28818

This vulnerability could enable an attacker to gain full access to the Windows operating system at the privilege level of the affected component, posing a high risk.

Technical Details of CVE-2021-28818

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The issue stems from a vulnerability in TIBCO Rendezvous that allows attackers to abuse the affected component to execute malicious software with escalated privileges.

Affected Systems and Versions

TIBCO Rendezvous versions 8.5.1 and below, including Developer Edition, are susceptible to this security flaw.

Exploitation Mechanism

The vulnerability allows a local attacker to insert malicious software on Windows OS, exploiting the affected component's search process.

Mitigation and Prevention

To address CVE-2021-28818, immediate actions and long-term security measures are crucial.

Immediate Steps to Take

Users should update the affected components to versions 8.5.2 or higher to mitigate the vulnerability.

Long-Term Security Practices

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

Patching and Updates

TIBCO has released updated versions of the affected components, providing patches to resolve the vulnerability.