CVE-2020-14062 : Vulnerability Insights and Analysis
Learn about CVE-2020-14062, a vulnerability in FasterXML jackson-databind 2.x versions before 2.9.10.5, impacting serialization gadgets and typing. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
FasterXML jackson-databind 2.x before 2.9.10.5 mishandles the interaction between serialization gadgets and typing, related to com.sun.org.apache.xalan.internal.lib.sql.JNDIConnectionPool (aka xalan2).
Understanding CVE-2020-14062
This CVE involves a vulnerability in FasterXML jackson-databind 2.x versions before 2.9.10.5, impacting the interaction between serialization gadgets and typing.
What is CVE-2020-14062?
The vulnerability in FasterXML jackson-databind 2.x versions before 2.9.10.5 allows for mishandling of the interaction between serialization gadgets and typing, specifically related to com.sun.org.apache.xalan.internal.lib.sql.JNDIConnectionPool (xalan2).
The Impact of CVE-2020-14062
The mishandling of serialization gadgets and typing in FasterXML jackson-databind 2.x versions before 2.9.10.5 can lead to potential security risks, including unauthorized access and data manipulation.
Technical Details of CVE-2020-14062
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, particularly in the context of com.sun.org.apache.xalan.internal.lib.sql.JNDIConnectionPool (xalan2).
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: All versions of FasterXML jackson-databind 2.x before 2.9.10.5
Exploitation Mechanism
The vulnerability can be exploited by attackers to execute arbitrary code, leading to potential unauthorized access and data manipulation.
Mitigation and Prevention
Protecting systems from CVE-2020-14062 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update FasterXML jackson-databind to version 2.9.10.5 or later to mitigate the vulnerability.
- Monitor for any unusual activities on the network 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 network segmentation and access controls to limit the impact of potential security breaches.
Patching and Updates
- Apply security patches provided by FasterXML promptly to ensure the ongoing protection of systems.