CVE-2020-11619 : Exploit Details and Defense Strategies

FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.springframework.aop.config.MethodLocatingFactoryBean (aka spring-aop).

Understanding CVE-2020-11619

This CVE involves a vulnerability in FasterXML jackson-databind that affects versions prior to 2.9.10.4.

What is CVE-2020-11619?

The vulnerability in FasterXML jackson-databind 2.x before 2.9.10.4 is due to mishandling the interaction between serialization gadgets and typing, specifically related to org.springframework.aop.config.MethodLocatingFactoryBean.

The Impact of CVE-2020-11619

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-2020-11619

FasterXML jackson-databind 2.x before 2.9.10.4 is susceptible to the following:

Vulnerability Description

The issue arises from the mishandling of serialization gadgets and typing, particularly in the context of org.springframework.aop.config.MethodLocatingFactoryBean.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions prior to 2.9.10.4

Exploitation Mechanism

Attackers can exploit this vulnerability to execute arbitrary code, potentially leading to remote code execution.

Mitigation and Prevention

To address CVE-2020-11619, consider the following steps:

Immediate Steps to Take

Update FasterXML jackson-databind to version 2.9.10.4 or later.
Monitor for any signs of unauthorized access or unusual system behavior.

Long-Term Security Practices

Regularly update software and libraries to the latest secure versions.
Implement strong access controls and network security measures to prevent unauthorized access.

Patching and Updates

Stay informed about security updates and patches for all software components.