CVE-2017-16076: Hijacked Environment Variables in proxy.js
Summary
CVE-2017-16076: Hijacked Environment Variables in proxy.js. Affects proxy.js versions < 1.0.2. No fix is published. How to fix ↓
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Background
The proxy.js package is a JavaScript library used for proxying requests in Node.js applications. It provides functionality to intercept and modify HTTP requests and responses. The package is commonly used in web development projects to handle proxying and routing of network requests. However, versions of proxy.js prior to 1.0.3 have been found to contain malware that steals environment variables and sends them to attacker-controlled locations.
Vulnerability Detail
The vulnerability in proxy.js allows an attacker to hijack environment variables, which can contain sensitive information such as API keys, database credentials, and other sensitive data. The malware present in the affected versions of the package steals these environment variables and sends them to the attacker's servers. This can lead to unauthorized access to sensitive systems and data, potentially resulting in data breaches, unauthorized transactions, or other malicious activities.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround for this vulnerability. It is recommended to follow the steps mentioned in the 'how_to_fix' section to mitigate the risk.
Conclusion
The proxy.js package prior to version 1.0.3 has been found to contain malware that steals environment variables. If you have this package installed in your environment, it is crucial to take immediate action to remove it, clear your npm cache, and regenerate any exposed credentials. Review and secure any services that may have been exposed via the compromised environment variables. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for proxy.js →
FAQ
The malware in proxy.js hooks into the environment variable retrieval process and intercepts the values before they are accessed by the legitimate application. It then sends these stolen values to the attacker's servers.
An attacker can use hijacked environment variables to gain unauthorized access to systems and services that rely on these variables. This can lead to data breaches, unauthorized transactions, and other malicious activities.
You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply upload your package-lock.json file and the Vulert Playground will analyze it for any known vulnerabilities, including this one.
Unfortunately, once the environment variables are stolen and sent to the attacker's servers, it is difficult to recover them. It is recommended to regenerate any sensitive credentials or tokens that may have been exposed.
To prevent such vulnerabilities, it is important to regularly update your dependencies to the latest secure versions. Additionally, always verify the integrity and trustworthiness of the packages you use in your projects.
