CVE-2019-5047 : Vulnerability Insights and Analysis

NitroPDF software has a vulnerability in its CharProcs parsing feature that can lead to a Use After Free situation when processing a specially crafted PDF file.

Understanding CVE-2019-5047

This CVE involves a high-severity Use After Free vulnerability in NitroPDF software.

What is CVE-2019-5047?

The vulnerability in NitroPDF's CharProcs parsing can be exploited by crafting a malicious PDF file to confuse data types.
Attackers can trigger a Use After Free situation by manipulating the software's data handling.

The Impact of CVE-2019-5047

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-2019-5047

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability exists in the CharProcs parsing functionality of NitroPDF.
Crafting a specific PDF file can cause type confusion, leading to a Use After Free scenario.

Affected Systems and Versions

Affected Product: NitroPDF
Affected Version: NitroPDF 12.2.1.522

Exploitation Mechanism

Attackers can exploit the vulnerability by creating a malicious PDF document to trigger the Use After Free condition.

Mitigation and Prevention

Protect your systems from CVE-2019-5047 with these mitigation strategies.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update software and security patches to prevent exploitation of known vulnerabilities.

Patching and Updates

Stay informed about security advisories related to NitroPDF and apply patches promptly.