CVE-2020-12668 : Security Advisory and Response
Learn about CVE-2020-12668, a vulnerability in Jinjava before 2.5.4 allowing access to arbitrary classes, potentially leading to Arbitrary File Disclosure. Find mitigation steps and preventive measures here.
Jinjava before 2.5.4 allows access to arbitrary classes by calling Java methods on objects passed into a Jinjava context, potentially leading to abuse of the application class loader and Arbitrary File Disclosure.
Understanding CVE-2020-12668
This CVE involves a vulnerability in Jinjava that could be exploited to access arbitrary classes and potentially disclose arbitrary files.
What is CVE-2020-12668?
Jinjava before version 2.5.4 allows attackers to call Java methods on objects within a Jinjava context, enabling unauthorized access to classes and potential abuse of the application class loader.
The Impact of CVE-2020-12668
The vulnerability could result in Arbitrary File Disclosure, posing a risk to the confidentiality and integrity of sensitive information within the affected system.
Technical Details of CVE-2020-12668
Jinjava vulnerability details and affected systems.
Vulnerability Description
Jinjava before 2.5.4 permits the invocation of Java methods on objects in a Jinjava context, potentially leading to unauthorized access to classes and exploitation of the application class loader.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Jinjava versions before 2.5.4
Exploitation Mechanism
The vulnerability can be exploited by manipulating objects passed into a Jinjava context to call Java methods, allowing unauthorized access to classes and potential abuse of the application class loader.
Mitigation and Prevention
Protective measures to address CVE-2020-12668.
Immediate Steps to Take
- Upgrade to Jinjava version 2.5.4 or later to mitigate the vulnerability.
- Monitor for any unauthorized access or file disclosures.
Long-Term Security Practices
- Implement secure coding practices to prevent similar vulnerabilities.
- Regularly update and patch software components to address known security issues.
Patching and Updates
Ensure timely installation of security patches and updates to Jinjava to address vulnerabilities and enhance system security.