CVE-2024-24293 in loader
Summary
by MITRE • 05/20/2024
A Prototype Pollution issue in MiguelCastillo @bit/loader v.10.0.3 allows an attacker to execute arbitrary code via the M function e argument in index.js.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 08/20/2024
The vulnerability identified as CVE-2024-24293 represents a critical prototype pollution flaw within the @bit/loader package version 10.0.3, specifically manifesting through the M function's e argument in the index.js file. This issue falls under the broader category of prototype pollution vulnerabilities that have been extensively documented in cybersecurity literature and categorized under CWE-471. The vulnerability stems from improper handling of user-supplied input during object property assignment, allowing attackers to manipulate the prototype chain of JavaScript objects. When the M function processes the e argument without adequate validation or sanitization, it creates a pathway for malicious actors to inject properties into the Object.prototype, thereby affecting all objects that inherit from it. This type of vulnerability is particularly dangerous because it can lead to arbitrary code execution when the polluted prototype properties are subsequently accessed or utilized by the application's code.
The operational impact of this vulnerability extends far beyond simple data corruption or denial of service scenarios. Attackers can leverage prototype pollution to manipulate the behavior of JavaScript applications running in web browsers or Node.js environments where bit/loader is utilized. When the polluted prototype properties are accessed through common JavaScript patterns such as for...in loops, Object.keys(), or other property enumeration methods, the malicious code embedded within these properties can execute with the privileges of the affected application. This vulnerability directly aligns with ATT&CK technique T1059.007 for JavaScript and T1583.001 for developing tools, as it provides adversaries with a method to establish persistent access or execute malicious payloads within the target environment. The attack surface is particularly broad since bit/loader is likely used in various development and deployment pipelines where untrusted input might be processed through the vulnerable M function.
Mitigation strategies for CVE-2024-24293 must address both immediate remediation and long-term architectural improvements. The most direct approach involves updating the @bit/loader package to a version that properly validates and sanitizes input parameters before processing them through the M function. Organizations should implement comprehensive input validation measures that prevent prototype pollution by ensuring that property names cannot be manipulated to target prototype objects. Additional defensive measures include implementing prototype pollution detection libraries, establishing secure coding practices that avoid direct property assignment from untrusted sources, and conducting regular security audits of third-party dependencies. The vulnerability demonstrates the importance of following secure coding guidelines such as those outlined in OWASP Top 10 2021 and the CWE guidelines for preventing prototype pollution attacks. Organizations should also consider implementing runtime protections and monitoring systems that can detect anomalous prototype modifications, as these can serve as early warning indicators of potential exploitation attempts. Given the nature of this vulnerability, security teams must also review their dependency management processes to ensure that outdated or vulnerable packages are promptly identified and updated across all development and production environments.