CVE-2020-36640 : What You Need to Know

This CVE-2020-36640 article provides insights into a vulnerability found in bonitasoft bonita-connector-webservice up to version 1.3.0, affecting the SecureWSConnector.java file.

Understanding CVE-2020-36640

This vulnerability, classified as problematic, involves XML External Entity Reference manipulation in the TransformerConfigurationException function.

What is CVE-2020-36640?

The vulnerability in bonitasoft bonita-connector-webservice up to 1.3.0 allows for XML External Entity Reference exploitation.

The Impact of CVE-2020-36640

The vulnerability can lead to unauthorized access and potential data manipulation, posing a risk to the confidentiality, integrity, and availability of the system.

Technical Details of CVE-2020-36640

The technical aspects of the CVE-2020-36640 vulnerability are as follows:

Vulnerability Description

Vulnerability Type: CWE-611 XML External Entity Reference
Affected Component: bonitasoft bonita-connector-webservice up to 1.3.0

Affected Systems and Versions

Vendor: bonitasoft
Product: bonita-connector-webservice
Affected Versions: 1.0, 1.1, 1.2, 1.3

Exploitation Mechanism

The vulnerability exploits the TransformerConfigurationException function in the SecureWSConnector.java file through XML External Entity Reference manipulation.

Mitigation and Prevention

To address CVE-2020-36640, follow these mitigation steps:

Immediate Steps to Take

Upgrade the affected component to version 1.3.1
Apply the patch named a12ad691c05af19e9061d7949b6b828ce48815d5

Long-Term Security Practices

Regularly update software components to the latest versions
Implement secure coding practices to prevent similar vulnerabilities
Conduct security assessments and audits periodically

Patching and Updates

Upgrade to bonita-connector-webservice version 1.3.1 to mitigate the vulnerability