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9.8

Malicious code in bubfer-xor package steals Ethereum funds

published 6 years ago
Summary

A malicious package, bubfer-xor version 2.0.2, was found to contain code that can steal Ethereum cryptocurrency. If you have this package installed, remove it immediately to prevent unauthorized transactions. Check your Ethereum accounts to ensure no funds have been compromised.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
Ecosystem VendorProductAffected versions
npm andreeleuterio bubfer-xor >= 0.0.0
Original advisory text
Malicious Package in bubfer-xor
Version 2.0.2 contained malicious code. The package targeted the Ethereum cryptocurrency and performed transactions to wallets not controlled by the user.


## Recommendation

Remove the package from your environment. Ensure no Ethereum funds were compromised.
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.8 Critical
Type
CWE-506Embedded Malicious Code
Timeline
Published3 Sep 2020
Updated6 Mar 2026
First seen6 Mar 2026
Sources
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