Xterm.js Remote Code Execution Vulnerability (CVE-2019-0542)
Summary
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 across 2 version ranges.
< 3.8.1-1
< 904ddffc8d370421783f0917797617bfce508854
Fixed in 3.8.1-1. How to fix ↓
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Background
Xterm.js is a popular JavaScript library that provides a terminal emulator for web applications. It allows users to interact with command-line interfaces within a browser environment. However, a vulnerability has been discovered in Xterm.js that could potentially allow remote code execution.
Vulnerability Detail
The vulnerability in Xterm.js arises from mishandling special characters. An attacker could exploit this flaw to execute arbitrary code remotely, potentially leading to unauthorized access, data breaches, or further compromise of the affected system. The vulnerability has been assigned the CVE identifier CVE-2019-0542 and has a CVSS score of 8.8, indicating a high severity.
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
As a temporary workaround, users can disable or restrict access to the affected functionality in Xterm.js until the package can be updated. This can be achieved by modifying the code or configuration to prevent the execution of potentially malicious commands.
Conclusion
The Xterm.js Remote Code Execution Vulnerability (CVE-2019-0542) is a critical security issue that could allow attackers to execute arbitrary code remotely. It is crucial to update the affected package to version 3.8.1-1 or later to mitigate the risk. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for node-xterm →
FAQ
Xterm.js is a JavaScript library that provides a terminal emulator for web applications, allowing users to interact with command-line interfaces within a browser environment.
The vulnerability in Xterm.js could allow remote code execution, potentially leading to unauthorized access, data breaches, or further compromise of the affected system.
To fix this vulnerability, update the affected package to version 3.8.1-1 or later, which includes a patch that addresses the issue.
As a temporary workaround, you can disable or restrict access to the affected functionality in Xterm.js until the package can be updated.
The CVSS score of this vulnerability is 8.8, indicating a high severity.
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