CVE-2020-36428 : Security Advisory and Response

matio (aka MAT File I/O Library) 1.5.18 through 1.5.21 has a heap-based buffer overflow vulnerability.

Understanding CVE-2020-36428

matio (MAT File I/O Library) versions 1.5.18 through 1.5.21 are affected by a heap-based buffer overflow vulnerability.

What is CVE-2020-36428?

This CVE refers to a specific vulnerability in the matio library versions 1.5.18 through 1.5.21 that allows for a heap-based buffer overflow.

The Impact of CVE-2020-36428

Attackers can exploit this vulnerability to potentially execute arbitrary code or cause a denial of service (DoS) condition.

Technical Details of CVE-2020-36428

matio (MAT File I/O Library) versions 1.5.18 through 1.5.21 are susceptible to a heap-based buffer overflow.

Vulnerability Description

The vulnerability exists in the ReadInt32DataDouble function, which is called from ReadInt32Data and Mat_VarRead4, leading to the buffer overflow.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: 1.5.18 through 1.5.21

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious MAT file that triggers the buffer overflow when processed by the affected library.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-36428.

Immediate Steps to Take

Update matio library to a patched version that addresses the buffer overflow vulnerability.
Implement proper input validation to prevent malicious files from triggering the vulnerability.

Long-Term Security Practices

Regularly monitor for security updates and patches for the matio library.
Conduct security assessments and code reviews to identify and address potential vulnerabilities.

Patching and Updates

Apply patches and updates provided by the matio library maintainers to fix the heap-based buffer overflow vulnerability.