CVE-2021-38096 Explained : Impact and Mitigation

Coreip.dll in Corel PDF Fusion 2.6.2.0 is affected by an Out-of-bounds Write vulnerability when parsing a crafted file, allowing an unauthenticated attacker to achieve arbitrary code execution. User interaction is required for exploitation through the opening of a malicious PDF file.

Understanding CVE-2021-38096

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-38096.

What is CVE-2021-38096?

Corel PDF Fusion 2.6.2.0's coreip.dll is vulnerable to an Out-of-bounds Write bug, enabling unauthorized users to execute arbitrary code by tricking individuals into launching a malicious PDF file.

The Impact of CVE-2021-38096

The vulnerability presents a critical threat as it permits threat actors to execute arbitrary code within the user's context, potentially leading to system compromise or data exfiltration.

Technical Details of CVE-2021-38096

Let's delve into the specifics of the vulnerability, including its description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The flaw in Corel PDF Fusion 2.6.2.0's coreip.dll allows for an Out-of-bounds Write issue, facilitating unauthorized code execution through a maliciously crafted PDF file.

Affected Systems and Versions

Corel PDF Fusion 2.6.2.0 is confirmed to be impacted by this vulnerability, posing a threat to systems operating this specific version.

Exploitation Mechanism

To exploit the vulnerability, threat actors need a victim to interact with a manipulated PDF file, triggering the execution of malicious code within the user's environment.

Mitigation and Prevention

Discover the immediate actions to secure your system and establish a robust defense against CVE-2021-38096.

Immediate Steps to Take

Users are advised to exercise caution when opening PDF files from untrusted sources and to deploy security measures to block potentially malicious content.

Long-Term Security Practices

Implementing stringent access controls, conducting regular security audits, and enforcing software updates can fortify your defenses against similar vulnerabilities.

Patching and Updates

It is crucial to install patches and updates provided by Corel to address the CVE-2021-38096 vulnerability and enhance the security posture of Corel PDF Fusion applications.