CVE-2020-11111 Explained : Impact and Mitigation
Learn about CVE-2020-11111 affecting FasterXML jackson-databind 2.x before 2.9.10.4. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.activemq.* (aka activemq-jms, activemq-core, activemq-pool, and activemq-pool-jms).
Understanding CVE-2020-11111
This CVE involves a vulnerability in FasterXML jackson-databind that affects specific versions and mishandles serialization gadgets and typing.
What is CVE-2020-11111?
FasterXML jackson-databind 2.x before 2.9.10.4 has a security issue related to the interaction between serialization gadgets and typing, specifically impacting org.apache.activemq.* components.
The Impact of CVE-2020-11111
The vulnerability can be exploited by attackers to execute arbitrary code, potentially leading to remote code execution and unauthorized access to sensitive information.
Technical Details of CVE-2020-11111
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability in FasterXML jackson-databind 2.x before 2.9.10.4 allows malicious actors to manipulate serialization gadgets and typing, particularly affecting org.apache.activemq.* components.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: 2.x before 2.9.10.4
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious input to trigger deserialization of untrusted data, leading to potential code execution.
Mitigation and Prevention
Protecting systems from CVE-2020-11111 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply the latest security patches provided by the vendor.
- Implement strict input validation to prevent malicious data input.
- Monitor and restrict network traffic to detect and block suspicious activities.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and audits to identify and mitigate risks proactively.
- Educate users and IT staff on secure coding practices and potential threats.
Patching and Updates
Ensure that all systems running FasterXML jackson-databind are updated to version 2.9.10.4 or newer to mitigate the vulnerability.