CVE-2020-7710: Sandbox Breakout / Arbitrary Code Execution in safe-eval
Summary
CVE-2020-7710: Sandbox Breakout / Arbitrary Code Execution in safe-eval. Affects safe-eval versions < 0.4.1. No fix is published. How to fix ↓
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Background
The safe-eval package is an npm package that provides a sandboxed environment for evaluating JavaScript code. It is commonly used to execute user-provided code in a controlled manner. However, all versions of safe-eval are vulnerable to a Sandbox Escape vulnerability, which can lead to Remote Code Execution. This vulnerability allows attackers to execute arbitrary code in the system by exploiting the package's failure to restrict access to the main context through Error objects.
Vulnerability Detail
The vulnerability in safe-eval arises from the package's inability to properly handle Error objects, allowing attackers to break out of the sandbox and execute arbitrary code. By manipulating the stack property of an Error object, an attacker can access and print the contents of process.env, which may contain sensitive information. This can lead to unauthorized access, data leakage, and potential system compromise.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a workaround, developers can implement their own sandboxing mechanism or use a different package that provides secure code evaluation. It is important to thoroughly review and test any alternative solutions to ensure they meet the required security standards.
Conclusion
The safe-eval package is vulnerable to a Sandbox Escape vulnerability that allows attackers to execute arbitrary code in the system. Currently, there is no fix available, and it is recommended to consider using an alternative package. Developers should closely monitor the official repository for any updates or patches. For further support on vulnerability remediation, contact DevNack.com.
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FAQ
This vulnerability allows attackers to execute arbitrary code in the system, potentially leading to unauthorized access, data leakage, and system compromise.
Currently, there is no fix available for this vulnerability. It is recommended to consider using an alternative package until a fix is made available.
Yes, this vulnerability can be exploited remotely as it allows attackers to execute arbitrary code in the system.
Yes, all versions of safe-eval are vulnerable to this Sandbox Escape vulnerability.
It is recommended to consider using an alternative package until a fix is made available. Monitor the official repository for any updates or patches addressing this vulnerability.
References
Related vulnerabilities
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