CVE-2019-5154 : Exploit Details and Defense Strategies

A heap overflow vulnerability in the JPEG2000 parsing feature of LEADTOOLS 20.0.2019.3.15 allows attackers to execute arbitrary code by crafting a malicious J2K image file.

Understanding CVE-2019-5154

This CVE involves a heap overflow vulnerability in a specific version of LEADTOOLS, potentially leading to code execution.

What is CVE-2019-5154?

The vulnerability lies in the JPEG2000 parsing feature of LEADTOOLS 20.0.2019.3.15
Attackers can exploit this by creating a J2K image file to trigger the vulnerability

The Impact of CVE-2019-5154

CVSS Score: 8.8 (High)
Severity: High
Attack Vector: Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: None
User Interaction: Required

Technical Details of CVE-2019-5154

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is a heap overflow in the JPEG2000 parsing functionality
Crafting a malicious J2K image file can trigger an out-of-bounds write in a heap buffer
This could potentially lead to the execution of arbitrary code

Affected Systems and Versions

Product: LEADTOOLS
Version: 20.0.2019.3.15

Exploitation Mechanism

Attackers exploit the vulnerability by creating a specially crafted J2K image file
This file triggers the out-of-bounds write in the heap buffer

Mitigation and Prevention

Protecting systems from CVE-2019-5154 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor
Implement network-level protections to block malicious J2K image files
Educate users on safe file handling practices

Long-Term Security Practices

Regularly update software and security patches
Conduct security audits and vulnerability assessments
Monitor network traffic for suspicious activities

Patching and Updates

Stay informed about security updates from LEADTOOLS
Apply patches promptly to mitigate the vulnerability