CVE-2020-9547 : Vulnerability Insights and Analysis
Learn about CVE-2020-9547, a security vulnerability in FasterXML jackson-databind 2.x before 2.9.10.4. Find out 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 com.ibatis.sqlmap.engine.transaction.jta.JtaTransactionConfig (aka ibatis-sqlmap).
Understanding CVE-2020-9547
This CVE involves a vulnerability in FasterXML jackson-databind that affects versions prior to 2.9.10.4.
What is CVE-2020-9547?
CVE-2020-9547 is a security flaw in jackson-databind that mishandles the interaction between serialization gadgets and typing, specifically related to com.ibatis.sqlmap.engine.transaction.jta.JtaTransactionConfig.
The Impact of CVE-2020-9547
The vulnerability could be exploited by attackers to execute arbitrary code, leading to potential remote code execution and other security risks.
Technical Details of CVE-2020-9547
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability in jackson-databind allows for improper handling of serialization gadgets and typing, potentially enabling malicious actors to execute arbitrary code.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: All versions prior to 2.9.10.4
Exploitation Mechanism
The vulnerability arises from the mishandling of serialization gadgets and typing, particularly in the context of com.ibatis.sqlmap.engine.transaction.jta.JtaTransactionConfig.
Mitigation and Prevention
To address CVE-2020-9547, it is crucial to take immediate steps and implement long-term security practices.
Immediate Steps to Take
- Update jackson-databind to version 2.9.10.4 or later to mitigate the vulnerability.
- Monitor for any signs of unauthorized access or suspicious activities on the affected systems.
Long-Term Security Practices
- Regularly update software and libraries to the latest secure versions.
- Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
- Stay informed about security advisories and patches related to jackson-databind to promptly apply necessary updates.