CVE-2021-25698 : Security Advisory and Response

A vulnerability has been identified in the OpenSSL component of the Teradici PCoIP Standard Agent before version 21.07.0. This flaw could allow an attacker to escalate privileges by placing a specially crafted dll in a specific directory.

Understanding CVE-2021-25698

This CVE pertains to a security issue in the OpenSSL component of the Teradici PCoIP Standard Agent software.

What is CVE-2021-25698?

The OpenSSL component of the Teradici PCoIP Standard Agent before version 21.07.0 was compiled without the no-autoload-config option, enabling an attacker to gain elevated privileges.

The Impact of CVE-2021-25698

The vulnerability allows an attacker to escalate their privileges to that of the running process by inserting a malicious dll in a build configuration directory.

Technical Details of CVE-2021-25698

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The OpenSSL component in Teradici PCoIP Standard Agent lacks certain security measures, enabling privilege escalation through a specially crafted dll.

Affected Systems and Versions

The affected products include PCoIP Standard Agent, PCoIP Graphics Agent, and PCoIP Software Client versions prior to 21.07.0.

Exploitation Mechanism

An attacker can exploit this vulnerability by inserting a crafted dll into a specific build configuration directory.

Mitigation and Prevention

Learn how to protect your systems from CVE-2021-25698.

Immediate Steps to Take

Users should update the Teradici PCoIP Standard Agent to version 21.07.0 or later to mitigate the security risk.

Long-Term Security Practices

Adopt security best practices such as restricting access to sensitive directories and regularly monitoring for unauthorized changes.

Patching and Updates

Stay informed about security advisories from Teradici to apply patches and updates promptly.