CVE-2020-14195 : What You Need to Know
Learn about CVE-2020-14195, a vulnerability in FasterXML jackson-databind 2.x versions before 2.9.10.5. 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 org.jsecurity.realm.jndi.JndiRealmFactory (aka org.jsecurity).
Understanding CVE-2020-14195
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-2020-14195?
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 org.jsecurity.realm.jndi.JndiRealmFactory.
The Impact of CVE-2020-14195
The vulnerability could be exploited by attackers to execute arbitrary code, leading to potential unauthorized access, data manipulation, or denial of service.
Technical Details of CVE-2020-14195
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability in FasterXML jackson-databind 2.x before 2.9.10.5 allows for mishandling the interaction between serialization gadgets and typing, specifically related to org.jsecurity.realm.jndi.JndiRealmFactory.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: All versions before 2.9.10.5
Exploitation Mechanism
The vulnerability can be exploited by crafting malicious input to trigger the mishandling of serialization gadgets and typing, potentially leading to code execution.
Mitigation and Prevention
Protecting systems from CVE-2020-14195 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update FasterXML jackson-databind to version 2.9.10.5 or later.
- Monitor for any unusual activities on the network that could indicate exploitation attempts.
Long-Term Security Practices
- Implement strict input validation to prevent malicious input from being processed.
- Regularly update and patch software to address known vulnerabilities.
Patching and Updates
Ensure timely application of security patches and updates to all relevant software components to mitigate the risk of exploitation.