CVE-2020-35490 : What You Need to Know
Learn about CVE-2020-35490, a vulnerability in FasterXML jackson-databind 2.x before 2.9.10.8 allowing mishandling of serialization gadgets and typing, potentially leading to remote code execution.
FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.commons.dbcp2.datasources.PerUserPoolDataSource.
Understanding CVE-2020-35490
This CVE involves a vulnerability in FasterXML jackson-databind that affects the interaction between serialization gadgets and typing.
What is CVE-2020-35490?
The vulnerability in FasterXML jackson-databind 2.x before 2.9.10.8 allows for mishandling of the interaction between serialization gadgets and typing, specifically related to org.apache.commons.dbcp2.datasources.PerUserPoolDataSource.
The Impact of CVE-2020-35490
This vulnerability could be exploited by an attacker to execute arbitrary code, leading to potential remote code execution and unauthorized access to sensitive information.
Technical Details of CVE-2020-35490
FasterXML jackson-databind 2.x before 2.9.10.8 is susceptible to the following technical details:
Vulnerability Description
The vulnerability arises from mishandling the interaction between serialization gadgets and typing, particularly concerning org.apache.commons.dbcp2.datasources.PerUserPoolDataSource.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: 2.x before 2.9.10.8
Exploitation Mechanism
The vulnerability can be exploited by crafting malicious input to trigger the mishandling of serialization gadgets and typing, potentially leading to remote code execution.
Mitigation and Prevention
To address CVE-2020-35490, consider the following mitigation strategies:
Immediate Steps to Take
- Update FasterXML jackson-databind to version 2.9.10.8 or later to patch the vulnerability.
- Implement input validation to sanitize user inputs and prevent malicious data from triggering the vulnerability.
Long-Term Security Practices
- Regularly monitor security advisories and update dependencies to address known vulnerabilities promptly.
- Conduct security assessments and code reviews to identify and mitigate similar vulnerabilities in the future.
Patching and Updates
- Stay informed about security updates for FasterXML jackson-databind and apply patches as soon as they are available.