CVE-2020-6116 Explained : Impact and Mitigation

Nitro Pro 13.13.2.242 and 13.16.2.300 are affected by an arbitrary code execution vulnerability due to a buffer size miscalculation. An attacker can exploit this to execute code by crafting a malicious document.

Understanding CVE-2020-6116

This CVE involves an arbitrary code execution vulnerability in Nitro Pro's rendering functionality.

What is CVE-2020-6116?

The vulnerability arises from a buffer size miscalculation when drawing page contents using colors from an indexed colorspace in Nitro Pro.
It can lead to memory corruption and code execution by writing outside the allocated buffer.
Exploitation requires a victim to open a specially crafted document.

The Impact of CVE-2020-6116

CVSS Score: 8.8 (High)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2020-6116

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability stems from an integer overflow leading to a buffer overflow (CWE-680).

Affected Systems and Versions

Product: Nitro Pro
Versions: 13.13.2.242, 13.16.2.300

Exploitation Mechanism

Attackers can exploit the vulnerability by creating a specially crafted document that triggers the code execution flaw.

Mitigation and Prevention

Protect your systems from CVE-2020-6116 with the following measures.

Immediate Steps to Take

Update Nitro Pro to the latest version to patch the vulnerability.
Avoid opening untrusted or suspicious documents.

Long-Term Security Practices

Regularly update software and security patches.
Implement security awareness training to educate users on safe document handling.

Patching and Updates

Stay informed about security updates for Nitro Pro and apply them promptly.