CVE-2024-39015 in hod
Summary
by MITRE • 07/01/2024
cafebazaar hod v0.4.14 was discovered to contain a prototype pollution via the function request. This vulnerability allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via injecting arbitrary properties.
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Analysis
by VulDB Data Team • 07/01/2024
The vulnerability identified as CVE-2024-39015 affects the cafebazaar hod v0.4.14 application and represents a critical prototype pollution flaw within the request function. This type of vulnerability occurs when an application fails to properly validate or sanitize user input before using it to modify object prototypes. The flaw specifically manifests in the request handling mechanism where attacker-controlled data can be injected into the prototype chain of objects, enabling unauthorized modifications to core object properties and methods. Prototype pollution vulnerabilities are particularly dangerous because they can affect the fundamental behavior of JavaScript objects and potentially lead to severe security implications including arbitrary code execution or complete system compromise.
The technical implementation of this vulnerability stems from improper handling of user-supplied data within the request function. When the application processes incoming requests without adequate sanitization, attackers can inject malicious properties into object prototypes through specially crafted input. This allows them to manipulate the prototype chain and inject arbitrary properties that persist across all instances of that object type. The vulnerability directly aligns with CWE-471 which categorizes improper handling of prototype pollution and can be mapped to ATT&CK technique T1059.007 for script injection and T1498 for denial of service attacks. The flaw enables attackers to manipulate core JavaScript object behaviors and can potentially lead to privilege escalation or complete application compromise.
The operational impact of this vulnerability extends beyond simple code execution to include significant denial of service capabilities and potential data integrity compromise. Attackers can leverage prototype pollution to inject malicious properties that may cause applications to behave unpredictably, leading to system crashes or service unavailability. The vulnerability's exploitation potential is heightened by the fact that it affects the core request processing functionality, making it a prime target for attackers seeking to disrupt service availability or gain unauthorized access. In environments where cafebazaar hod is deployed, this vulnerability could allow attackers to manipulate application behavior, inject malicious code, or cause cascading failures that impact multiple system components. The DoS aspect of this vulnerability can be particularly damaging in production environments where service availability is critical.
Mitigation strategies for CVE-2024-39015 should focus on implementing robust input validation and sanitization mechanisms within the request function. Organizations should ensure that all user-supplied data is properly validated before being processed or used to modify object properties. The recommended approach includes implementing prototype chain validation, using secure coding practices to prevent direct assignment of user input to object properties, and employing defensive programming techniques such as object freezing or sealing. Additionally, the application should be updated to a patched version that properly handles prototype pollution scenarios, and developers should implement comprehensive testing procedures including static analysis and dynamic testing to identify similar vulnerabilities. Network-level mitigations such as web application firewalls and input filtering can provide additional protection layers while the core application is being patched. Regular security audits and code reviews should be conducted to prevent similar prototype pollution vulnerabilities from emerging in future versions of the application.