CVE-2019-11493 : Security Advisory and Response

This CVE-2019-11493 article provides details about a Memory Overflow vulnerability in VeryPDF 4.1 that can lead to Code Execution.

Understanding CVE-2019-11493

This CVE-2019-11493 vulnerability involves the mishandling of pdfocx!CxImageTIF::operator in pdfocx.ocx, which is utilized by pdfeditor.exe and pdfcmd.exe in VeryPDF 4.1.

What is CVE-2019-11493?

The vulnerability in VeryPDF 4.1 results in a Memory Overflow, potentially allowing attackers to execute arbitrary code.

The Impact of CVE-2019-11493

Exploiting this vulnerability could lead to unauthorized code execution on affected systems, posing a significant security risk.

Technical Details of CVE-2019-11493

This section delves into the specifics of the CVE-2019-11493 vulnerability.

Vulnerability Description

The flaw in pdfocx!CxImageTIF::operator in pdfocx.ocx causes a Memory Overflow in VeryPDF 4.1, enabling potential Code Execution.

Affected Systems and Versions

Affected Systems: Not applicable
Affected Versions: VeryPDF 4.1

Exploitation Mechanism

The vulnerability can be exploited by manipulating the pdfocx!CxImageTIF::operator in pdfocx.ocx, leading to a Memory Overflow and potential Code Execution.

Mitigation and Prevention

Protecting systems from CVE-2019-11493 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable or restrict access to pdfeditor.exe and pdfcmd.exe in VeryPDF 4.1
Implement network segmentation to limit exposure
Monitor for any unusual activities on the affected systems

Long-Term Security Practices

Regularly update software and apply security patches
Conduct security training for employees on identifying and reporting suspicious activities

Patching and Updates

Ensure that VeryPDF 4.1 is updated with the latest patches to address the Memory Overflow vulnerability.