CVE-2020-26883 : Security Advisory and Response
Learn about CVE-2020-26883 affecting Play Framework 2.6.0 through 2.8.2. Understand the impact, affected systems, exploitation, and mitigation steps to secure your systems.
In Play Framework 2.6.0 through 2.8.2, stack consumption can occur due to unbounded recursion during parsing crafted JSON documents.
Understanding CVE-2020-26883
This CVE involves a vulnerability in Play Framework versions 2.6.0 through 2.8.2 that can lead to stack consumption.
What is CVE-2020-26883?
This CVE identifies a flaw in Play Framework versions 2.6.0 through 2.8.2 that allows unbounded recursion during the parsing of specially crafted JSON documents.
The Impact of CVE-2020-26883
The vulnerability can potentially lead to stack consumption, which may result in denial of service or other security implications.
Technical Details of CVE-2020-26883
Play Framework versions 2.6.0 through 2.8.2 are affected by this vulnerability.
Vulnerability Description
The issue arises from unbounded recursion during the parsing of manipulated JSON files.
Affected Systems and Versions
- Play Framework 2.6.0 through 2.8.2
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious JSON documents to trigger unbounded recursion, leading to stack consumption.
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2020-26883.
Immediate Steps to Take
- Update Play Framework to a non-vulnerable version.
- Implement input validation to prevent malicious JSON input.
Long-Term Security Practices
- Regularly monitor and update software dependencies.
- Conduct security audits to identify and address vulnerabilities.
Patching and Updates
- Apply patches provided by Play Framework to fix the vulnerability.