CVE-2020-10968 : Security Advisory and Response
Learn about CVE-2020-10968, a deserialization 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 org.aoju.bus.proxy.provider.remoting.RmiProvider (aka bus-proxy).
Understanding CVE-2020-10968
This CVE involves a vulnerability in FasterXML jackson-databind that affects versions prior to 2.9.10.4.
What is CVE-2020-10968?
The vulnerability in FasterXML jackson-databind 2.x before 2.9.10.4 is due to mishandling the interaction between serialization gadgets and typing, specifically related to org.aoju.bus.proxy.provider.remoting.RmiProvider.
The Impact of CVE-2020-10968
This vulnerability could be exploited by attackers to execute arbitrary code, leading to potential remote code execution and compromising the security of affected systems.
Technical Details of CVE-2020-10968
FasterXML jackson-databind 2.x before 2.9.10.4 is susceptible to a deserialization vulnerability.
Vulnerability Description
The issue arises from the mishandling of serialization gadgets and typing, particularly in the context of org.aoju.bus.proxy.provider.remoting.RmiProvider.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: All versions prior to 2.9.10.4
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious serialized data to trigger deserialization, potentially leading to remote code execution.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-10968.
Immediate Steps to Take
- Apply the latest security patches provided by FasterXML to address this vulnerability.
- Implement network segmentation to limit exposure of vulnerable systems.
- Monitor for any suspicious activity that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities.
- Conduct security assessments and audits to identify and address weaknesses in the system.
Patching and Updates
- Ensure that all instances of FasterXML jackson-databind are updated to version 2.9.10.4 or newer to mitigate the vulnerability.