CVE-2020-36187 : Vulnerability Insights and Analysis
Learn about CVE-2020-36187, a vulnerability in FasterXML jackson-databind 2.x versions mishandling serialization gadgets and typing, impacting org.apache.tomcat.dbcp.dbcp.datasources.SharedPoolDataSource.
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.SharedPoolDataSource.
Understanding CVE-2020-36187
This CVE involves a vulnerability in FasterXML jackson-databind 2.x versions.
What is CVE-2020-36187?
The CVE-2020-36187 vulnerability in FasterXML jackson-databind 2.x versions relates to mishandling the interaction between serialization gadgets and typing, specifically concerning org.apache.tomcat.dbcp.dbcp.datasources.SharedPoolDataSource.
The Impact of CVE-2020-36187
The vulnerability could potentially lead to security breaches, allowing attackers to exploit the mishandling of serialization gadgets and typing, posing a risk to the confidentiality and integrity of the affected systems.
Technical Details of CVE-2020-36187
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability arises from the incorrect handling of serialization gadgets and typing within FasterXML jackson-databind 2.x versions, particularly in the context of org.apache.tomcat.dbcp.dbcp.datasources.SharedPoolDataSource.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: All versions of FasterXML jackson-databind 2.x before 2.9.10.8
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the interaction between serialization gadgets and typing, potentially leading to unauthorized access and data manipulation.
Mitigation and Prevention
Protecting systems from CVE-2020-36187 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update FasterXML jackson-databind to version 2.9.10.8 or later to mitigate the vulnerability.
- Monitor for any unusual activities on the network that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly update software and libraries to the latest secure versions.
- Implement network segmentation and access controls to limit the impact of potential breaches.
Patching and Updates
- Apply security patches promptly to address known vulnerabilities and enhance system security.