CVE-2020-36183 : Security Advisory and Response

FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.docx4j.org.apache.xalan.lib.sql.JNDIConnectionPool.

Understanding CVE-2020-36183

This CVE involves a vulnerability in FasterXML jackson-databind that affects versions prior to 2.9.10.8.

What is CVE-2020-36183?

The vulnerability in FasterXML jackson-databind 2.x before 2.9.10.8 is due to mishandling the interaction between serialization gadgets and typing, specifically related to org.docx4j.org.apache.xalan.lib.sql.JNDIConnectionPool.

The Impact of CVE-2020-36183

This vulnerability could be exploited by attackers to execute arbitrary code, leading to potential remote code execution and other security risks.

Technical Details of CVE-2020-36183

This section provides more in-depth technical details about the CVE.

Vulnerability Description

The vulnerability arises from the mishandling of serialization gadgets and typing, particularly in the context of org.docx4j.org.apache.xalan.lib.sql.JNDIConnectionPool.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions prior to 2.9.10.8

Exploitation Mechanism

Attackers can exploit this vulnerability to execute arbitrary code, potentially leading to remote code execution and other malicious activities.

Mitigation and Prevention

To address CVE-2020-36183, follow these mitigation strategies:

Immediate Steps to Take

Update FasterXML jackson-databind to version 2.9.10.8 or later.
Implement proper input validation to prevent malicious input.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Conduct security assessments and penetration testing to identify vulnerabilities.
Educate developers and users on secure coding practices.

Patching and Updates

Apply patches and updates provided by FasterXML promptly to address the vulnerability.