CVE-2017-16079: Hijacked Environment Variables in smb
Summary
CVE-2017-16079: smb is malware. Affects smb versions < 1.0.2. No fix is published. How to fix ↓
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Background
The smb package is an npm package that provides functionality for interacting with the Server Message Block (SMB) protocol. It allows users to perform file and printer sharing, as well as access remote services. The package is vulnerable to a hijacking attack where environment variables are stolen and sent to attacker-controlled locations.
Vulnerability Detail
The smb package has been identified as malware that steals environment variables. This can have serious security implications as sensitive information, such as credentials and tokens, may be exposed. The package has been unpublished from the npm registry. If this package is found installed in an environment, it is important to investigate how it got there and take appropriate actions to mitigate the risk. Steps should be taken to delete the package, clear the npm cache, remove it from any package.json files, and regenerate sensitive credentials. Additionally, any services exposed via credentials in environment variables should be reviewed for compromise.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The smb package has been identified as malware that steals environment variables. If this package is found installed in your environment, it is crucial to take immediate action to mitigate the risk. Delete the package, clear the npm cache, remove it from package.json files, and regenerate any exposed credentials. Review and secure any services that may have been compromised. For further support on vulnerability remediation, contact DevNack.com.
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FAQ
You can check if the smb package is installed by running the command npm ls smb in your project directory. If the package is listed, it is installed in your environment.
If you find the smb package installed in your environment, you should immediately delete the package, clear the npm cache, remove it from any package.json files, and regenerate any sensitive credentials that may have been exposed.
To clear the npm cache, you can run the command npm cache clean --force.
In addition to deleting the smb package and clearing the npm cache, you should review and secure any services that may have been exposed via compromised credentials.
To prevent the smb package from being installed in your environment, you should regularly update your package.json files to use trusted packages and avoid installing packages from untrusted sources.
