CVE-2021-42648: Cross-Site Scripting in code-server
Summary
CVE-2021-42648: Cross site scripting in code-server. Affects code-server versions < 3.12.0. Fixed in 3.12.0. How to fix ↓
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Background
code-server is an open-source platform that allows users to run Visual Studio Code on a remote server. It provides a web-based interface for coding and editing files. This vulnerability affects code-server versions prior to 3.12.0. The vulnerability allows attackers to execute arbitrary code by exploiting a cross-site scripting (XSS) vulnerability through a crafted URL.
Vulnerability Detail
The cross-site scripting (XSS) vulnerability in code-server allows attackers to inject and execute arbitrary code by manipulating the URL. This can lead to various security risks, such as unauthorized access, data theft, and privilege escalation. The vulnerability is rated as moderate severity with a CVSS score of 6.1. The CWE ID associated with this vulnerability is CWE-79.
How To Fix
Minimum fixed version
3.12.0
This is the first release that contains the fix.
npm install code-server@3.12.0Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to update to the latest version of code-server to address the issue.
Conclusion
The cross-site scripting (XSS) vulnerability in code-server poses a moderate security risk, allowing attackers to execute arbitrary code. It is crucial to update code-server to version 3.12.0 or later to mitigate this vulnerability. Users should take immediate action to ensure the security of their code-server installation. For additional support and guidance, contact DevNack.com.
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FAQ
code-server is an open-source platform that allows users to run Visual Studio Code on a remote server. It provides a web-based interface for coding and editing files.
Cross-site scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. This can lead to various attacks, such as session hijacking, data theft, and defacement.
This vulnerability can be exploited by attackers to execute arbitrary code, leading to unauthorized access, data theft, and privilege escalation. It is crucial to address this vulnerability promptly to prevent potential security breaches.
You can use Vulert's playground at Vulert Scanner to check if your code-server installation is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities without requiring access to the code or installation.
For further support on vulnerability remediation, you can contact info@devnack.com. They can provide assistance and guidance in addressing this vulnerability.
References
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