Remote Code Execution Vulnerability in Node-xterm Package
Summary
DEBIAN-CVE-2019-0542: A remote code execution vulnerability exists in Xterm.js when the component mishandles special characters, aka "Xterm Remote Code Execution Vulnerability." This affects xterm.js. Affects node-xterm versions < 3.8.1-1. Fixed in 3.8.1-1. How to fix ↓
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Background
Node-xterm is a popular terminal emulator for web applications, built using JavaScript. It provides a rich set of features for terminal emulation, including support for various terminal protocols and customizable appearance. However, it has been identified to have a critical vulnerability that could allow remote code execution due to mishandling of special characters.
Vulnerability Detail
A remote code execution vulnerability exists in Xterm.js when the component mishandles special characters, allowing attackers to execute arbitrary code on the server or client-side. This vulnerability, identified as DEBIAN-CVE-2019-0542, can lead to severe security breaches, including unauthorized access to sensitive data and system control. The issue arises from improper validation of input, making it susceptible to crafted input that exploits this flaw.
How To Fix
Minimum fixed version
3.8.1-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade node-xtermTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If immediate patching is not feasible, consider implementing input validation to sanitize special characters before processing them in the application. This can help mitigate the risk of exploitation until the package is updated.
Conclusion
The remote code execution vulnerability in the node-xterm package poses significant security risks. It is crucial to update to the patched version 3.8.1-1 to mitigate these risks. Additionally, utilizing input validation can serve as a temporary measure to protect against potential exploitation.
See every vulnerability recorded for node-xterm →
FAQ
The vulnerability allows remote code execution due to mishandling of special characters in the Xterm.js component.
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Exploitation of this vulnerability can lead to unauthorized access, data breaches, and control over the affected system.
Yes, the patched version of the node-xterm package is 3.8.1-1. Updating to this version will resolve the vulnerability.
Implement input validation to sanitize special characters as a temporary workaround until the package can be updated.
References
Related vulnerabilities
Recent vulnerabilities recorded for node-xterm.
