CVE-2019-5053 : Security Advisory and Response

NitroPDF is affected by a vulnerability in the Length parsing function that can lead to a use-after-free situation when a specially designed PDF is used. Attackers can exploit this issue by creating a harmful PDF.

Understanding CVE-2019-5053

This CVE involves a use-after-free vulnerability in NitroPDF due to a type confusion triggered by a crafted PDF.

What is CVE-2019-5053?

The vulnerability in NitroPDF's Length parsing function allows attackers to create a malicious PDF, leading to a use-after-free condition.

The Impact of CVE-2019-5053

CVSS Base Score: 7.5 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2019-5053

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability is a use-after-free issue in NitroPDF's Length parsing function.

Affected Systems and Versions

Product: NitroPDF
Version: NitroPDF 12.2.1.522

Exploitation Mechanism

Attackers exploit the vulnerability by using a specially crafted PDF to trigger a type confusion, resulting in a use-after-free condition.

Mitigation and Prevention

Protect your systems from CVE-2019-5053 with the following steps:

Immediate Steps to Take

Update NitroPDF to the latest version.
Be cautious when opening PDF files from unknown or untrusted sources.

Long-Term Security Practices

Regularly update software and security patches.
Implement network security measures to detect and prevent malicious PDF files.

Patching and Updates

Stay informed about security updates for NitroPDF and apply patches promptly.