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buttercup / buttercup-core

:tophat: The mighty NodeJS password vault
http://buttercup.pw/
MIT License
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CVE-2023-41646 #336

Closed perry-mitchell closed 11 months ago

perry-mitchell commented 1 year ago

Example: https://github.com/buttercup/buttercup-core/blob/master/source/core/VaultSource.ts#L267

Credentials, by design, currently stores the master password, when encrypted.

This should be refactored so that it is no longer stored anywhere, at rest.

Source repo: https://github.com/tristao-marinho/CVE-2023-41646

perry-mitchell commented 11 months ago

The attached PR prevents Buttercup from writing the master password to any stringified credentials, which is what was written to ~/local/share/Buttercup-nodejs/vaults.json in the original CVE description. The credentials are never plain text, but once updated after this is released it will no longer be included in the payload.