CVE-2020-36661 Explained : Impact and Mitigation

CVE-2020-36661 was found in Kong lua-multipart 0.5.8-1, affecting the is_header function in the file src/multipart.lua due to inefficient regular expression complexity. Upgrading to version 0.5.9-1 is recommended to mitigate this vulnerability.

Understanding CVE-2020-36661

This CVE involves a vulnerability in Kong lua-multipart 0.5.8-1 that can lead to inefficient regular expression complexity.

What is CVE-2020-36661?

CVE-2020-36661 is a vulnerability in the is_header function of Kong lua-multipart 0.5.8-1, allowing for inefficient regular expression complexity.

The Impact of CVE-2020-36661

The vulnerability can be exploited to manipulate unknown data, potentially leading to security risks and system compromise.

Technical Details of CVE-2020-36661

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in Kong lua-multipart 0.5.8-1 affects the is_header function, causing inefficient regular expression complexity.

Affected Systems and Versions

Vendor: Kong
Product: lua-multipart
Versions affected: 0.5.8-1

Exploitation Mechanism

The vulnerability can be exploited by manipulating unknown data to trigger inefficient regular expression complexity.

Mitigation and Prevention

To address CVE-2020-36661, follow these steps:

Immediate Steps to Take

Upgrade the affected component to version 0.5.9-1.
Apply the patch identified as d632e5df43a2928fd537784a99a79dec288bf01b.

Long-Term Security Practices

Regularly update software components to the latest versions.
Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Upgrade to version 0.5.9-1 of Kong lua-multipart to patch the vulnerability.