CVE-2018-6639 : Exploit Details and Defense Strategies

A vulnerability related to out-of-bounds write (Remote Code Execution) has been found in Design Science MathType 6.9c. The issue has been resolved in version 6.9d.

Understanding CVE-2018-6639

This CVE entry describes a critical vulnerability in Design Science MathType 6.9c that could allow remote code execution.

What is CVE-2018-6639?

CVE-2018-6639 is an out-of-bounds write vulnerability in Design Science MathType 6.9c, potentially leading to remote code execution. The flaw arises from accessing a size in the input file using memmove.

The Impact of CVE-2018-6639

The vulnerability could be exploited by an attacker to execute arbitrary code on the affected system, posing a significant security risk.

Technical Details of CVE-2018-6639

This section provides more technical insights into the CVE.

Vulnerability Description

The issue involves an out-of-bounds write (Remote Code Execution) in Design Science MathType 6.9c, where a size from the input file is accessed by memmove. The fix for this vulnerability is available in version 6.9d.

Affected Systems and Versions

Product: Design Science MathType 6.9c
Versions: All versions prior to 6.9d

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious input file that triggers the out-of-bounds write, leading to potential remote code execution.

Mitigation and Prevention

Protecting systems from CVE-2018-6639 is crucial to maintaining security.

Immediate Steps to Take

Update MathType to version 6.9d to mitigate the vulnerability.
Exercise caution when opening files from untrusted sources.

Long-Term Security Practices

Regularly update software to the latest versions to patch known vulnerabilities.
Implement network security measures to prevent unauthorized access to systems.

Patching and Updates

Ensure that all software, including Design Science MathType, is promptly updated to the latest versions to address security vulnerabilities.