CVE-2020-5259 : Exploit Details and Defense Strategies
Learn about CVE-2020-5259, a high severity vulnerability in dojox allowing Prototype Pollution. Find out affected versions, impacts, and mitigation steps to secure your systems.
In affected versions of dojox (NPM package), the jqMix method is vulnerable to Prototype Pollution. This allows attackers to inject properties into JavaScript language construct prototypes, potentially leading to code injection.
Understanding CVE-2020-5259
What is CVE-2020-5259?
CVE-2020-5259 is a vulnerability in dojox that allows for Prototype Pollution, enabling attackers to manipulate JavaScript object prototypes.
The Impact of CVE-2020-5259
The vulnerability has a CVSS base score of 7.7, indicating a high severity issue with significant confidentiality, integrity, and availability impacts.
Technical Details of CVE-2020-5259
Vulnerability Description
- Prototype Pollution vulnerability in dojox's jqMix method
- Allows injection of properties into JavaScript prototypes
Affected Systems and Versions
- Versions < 1.11.10, >= 1.12.0, < 1.12.8, >= 1.13.0, < 1.13.7, >= 1.14.0, < 1.14.6, >= 1.15.0, < 1.15.3, >= 1.16.0, < 1.16.2
Exploitation Mechanism
- Attack complexity: High
- Attack vector: Network
- Privileges required: Low
- User interaction: Required
Mitigation and Prevention
Immediate Steps to Take
- Update to patched versions 1.11.10, 1.12.8, 1.13.7, 1.14.6, 1.15.3, or 1.16.2
- Monitor for any suspicious activities
Long-Term Security Practices
- Regularly update software and dependencies
- Implement input validation and output encoding
Patching and Updates
- Apply security patches promptly