CVE-2023-36475 : What You Need to Know
Learn about CVE-2023-36475, a critical vulnerability in Parse Server allowing remote code execution via MongoDB BSON parser due to prototype pollution. Find mitigation steps and patch details here.
Parse Server vulnerable to remote code execution via MongoDB BSON parser through prototype pollution
Understanding CVE-2023-36475
Parse Server, an open-source backend tool, was vulnerable to a remote code execution exploit through prototype pollution in the MongoDB BSON parser.
What is CVE-2023-36475?
CVE-2023-36475 highlights a critical vulnerability in Parse Server that allows an attacker to execute remote code by exploiting the MongoDB BSON parser due to improper control of object prototype attributes (Prototype Pollution).
The Impact of CVE-2023-36475
The impact of this vulnerability is critical, with a CVSS base score of 9.8 out of 10, signifying high confidentiality, integrity, and availability impact.
Technical Details of CVE-2023-36475
Before versions 5.5.2 and 6.2.1, Parse Server was susceptible to remote code execution attacks through the MongoDB BSON parser, leveraging prototype pollution.
Vulnerability Description
The vulnerability stemmed from improperly controlled modification of object prototype attributes, opening the door to remote code execution via MongoDB BSON parser.
Affected Systems and Versions
- Vendor: parse-community
- Product: parse-server
- Affected Versions: < 5.5.2, >= 6.0.0, < 6.2.1
Exploitation Mechanism
The attacker could exploit the prototype pollution in Parse Server's MongoDB BSON parser to execute remote code, compromising system integrity and data confidentiality.
Mitigation and Prevention
To mitigate the risk associated with CVE-2023-36475, immediate actions and long-term security practices are recommended.
Immediate Steps to Take
- Upgrade to Parse Server versions 5.5.2 or 6.2.1 to patch the vulnerability and prevent remote code execution.
Long-Term Security Practices
- Regularly update your Parse Server to the latest versions to address security flaws promptly.
- Implement secure coding practices and conduct regular security audits to prevent similar vulnerabilities.
Patching and Updates
Stay updated with the latest releases and security advisories from parse-community on GitHub to apply patches and enhance system security.