Critical Vulnerability in node-ejs: Lack of Pollution Protection
Summary
DEBIAN-CVE-2024-33883: The ejs (aka Embedded JavaScript templates) package before 3.1.10 for Node.js lacks certain pollution protection. Affects node-ejs versions < 3.1.10+~3.1.5-1. Fixed in 3.1.10+~3.1.5-1. How to fix ↓
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Background
The node-ejs package, also known as Embedded JavaScript templates, is a popular templating engine for Node.js applications. It allows developers to generate HTML markup with plain JavaScript, providing a simple and efficient way to create dynamic web pages. However, prior to version 3.1.10, the package is vulnerable to certain pollution attacks, which can compromise the integrity of the templates and lead to potential security issues.
Vulnerability Detail
The vulnerability in node-ejs arises from a lack of adequate pollution protection in versions before 3.1.10. This flaw allows attackers to manipulate the template rendering process, potentially injecting malicious code or altering the expected output. The ramifications of this vulnerability can include unauthorized access to sensitive data, execution of arbitrary code, and overall compromise of the application’s security.
How To Fix
Minimum fixed version
3.1.10+~3.1.5-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade node-ejsTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, developers can implement input validation and sanitization measures within their applications to mitigate the risk of pollution attacks. This includes ensuring that user inputs are properly escaped and validated before being processed by the templating engine.
Conclusion
The node-ejs package has a critical vulnerability that can lead to severe security risks if not addressed. It is crucial for developers to update to the patched version and implement necessary security measures to protect their applications.
See every vulnerability recorded for node-ejs →
FAQ
Node-ejs is a templating engine for Node.js that allows developers to create dynamic HTML pages using JavaScript.
The vulnerability allows for pollution attacks that can compromise the integrity of templates and lead to security issues.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
Consequences may include unauthorized access to sensitive data, execution of arbitrary code, and overall compromise of application security.
You can update the package by running the command 'sudo apt-get install node-ejs=3.1.10+~3.1.5-1' in your terminal.
References
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