Critical Malicious Code Vulnerability in @daffadeveloper/libsignal-node Package
Summary
MAL-2026-1118: Malicious code in @daffadeveloper/libsignal-node (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The @daffadeveloper/libsignal-node package is an npm library designed for implementing the Signal Protocol, which is used for secure messaging. It provides functionalities for end-to-end encryption and secure communication. However, this package has been compromised, embedding malicious code that poses significant security risks to any system utilizing it.
Vulnerability Detail
The vulnerability originates from the presence of malicious code within the @daffadeveloper/libsignal-node package. Any system with this package installed is considered fully compromised, as it may allow unauthorized access to sensitive information, including secrets and keys. The malicious code can lead to severe ramifications, including data breaches and loss of control over the affected system. The vulnerability is classified under CWE-506, indicating that the product contains code that appears to be malicious in nature.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @daffadeveloper/libsignal-nodeIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
There are no effective workarounds for this vulnerability. The only recommended action is to remove the compromised package and secure your system.
Conclusion
The @daffadeveloper/libsignal-node package has been compromised with malicious code, posing serious security threats to any system using it. Immediate removal of the package and rotation of all sensitive information is essential to mitigate risks. Users are encouraged to monitor their systems for vulnerabilities using tools like Vulert.
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FAQ
Immediately remove the package and rotate all secrets and keys stored on the affected system.
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Failure to address this vulnerability can lead to unauthorized access to sensitive data, potential data breaches, and loss of control over your system.
Currently, there is no patched version available. The best course of action is to remove the package entirely.
It is strongly advised not to use this package until a secure version is released, as it poses significant security risks.
