Node.js Vulnerability: Remote Crash Risk in SignTraits::DeriveBits() Method
Summary
DEBIAN-CVE-2025-23166: The C++ method SignTraits::DeriveBits() may incorrectly call ThrowException() based on user-supplied inputs when executing in a background thread, crashing the Node.js process. Affects nodejs versions < 20.19.2+dfsg-1. Fixed in 20.19.2+dfsg-1. How to fix ↓
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Background
Node.js is a popular open-source runtime environment that allows developers to execute JavaScript code server-side. It is widely used for building scalable network applications. The package in question, nodejs, is crucial for executing JavaScript on the server and is integral to many web applications. However, it has been identified that the C++ method SignTraits::DeriveBits() may improperly handle user-supplied inputs, leading to potential crashes in the Node.js process when executed in a background thread.
Vulnerability Detail
The vulnerability arises from the C++ method SignTraits::DeriveBits() which may incorrectly invoke ThrowException() based on untrusted user inputs. This flaw can lead to a crash of the Node.js runtime, posing a significant risk, especially in environments where cryptographic operations are performed on untrusted data. If exploited, an adversary could remotely crash the Node.js process, disrupting services and potentially leading to denial-of-service conditions.
How To Fix
Minimum fixed version
20.19.2+dfsg-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade nodejsTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, it is advisable to avoid processing untrusted inputs in cryptographic operations until the package is updated. Implementing input validation and sanitization can help mitigate the risk of triggering the vulnerability.
Conclusion
In summary, the identified vulnerability in the Node.js package poses a significant risk of remote crashes due to improper handling of user inputs in cryptographic operations. It is crucial for users to update to the patched version to secure their applications and prevent potential disruptions.
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FAQ
The vulnerability involves the SignTraits::DeriveBits() method, which may crash the Node.js process when handling untrusted inputs.
You can use the Vulert playground at Vulert Scanner to check if your application is impacted by this vulnerability without any signup.
Exploitation of this vulnerability could lead to remote crashes of the Node.js runtime, resulting in service disruptions and denial-of-service conditions.
Yes, a patched version of the nodejs package is available. Users should update to version 20.19.2+dfsg-1 to mitigate the risk.
If immediate updates are not possible, ensure to validate and sanitize all user inputs to minimize the risk of triggering the vulnerability.
References
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