CVE-2020-36185 : What You Need to Know
Learn about CVE-2020-36185, a vulnerability in FasterXML jackson-databind 2.x before 2.9.10.8. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp2.datasources.SharedPoolDataSource.
Understanding CVE-2020-36185
This CVE involves a vulnerability in FasterXML jackson-databind that affects versions prior to 2.9.10.8.
What is CVE-2020-36185?
The vulnerability in FasterXML jackson-databind 2.x before 2.9.10.8 arises from mishandling the interaction between serialization gadgets and typing, specifically related to org.apache.tomcat.dbcp.dbcp2.datasources.SharedPoolDataSource.
The Impact of CVE-2020-36185
The mishandling of serialization gadgets and typing in FasterXML jackson-databind can potentially lead to security breaches and unauthorized access to sensitive data.
Technical Details of CVE-2020-36185
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability in FasterXML jackson-databind 2.x before 2.9.10.8 allows for improper handling of serialization gadgets and typing, particularly concerning org.apache.tomcat.dbcp.dbcp2.datasources.SharedPoolDataSource.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: All versions prior to 2.9.10.8
Exploitation Mechanism
The vulnerability can be exploited by malicious actors to manipulate serialization gadgets and typing, potentially leading to unauthorized access and security compromises.
Mitigation and Prevention
Protecting systems from CVE-2020-36185 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update FasterXML jackson-databind to version 2.9.10.8 or newer to mitigate the vulnerability.
- Monitor for any unusual activities that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions to address known vulnerabilities.
- Implement strict input validation and data sanitization practices to prevent similar security issues.
Patching and Updates
- Stay informed about security updates and patches released by FasterXML to address vulnerabilities like CVE-2020-36185.