Insecure Credential Comparison Affecting safe-compare package, versions >=1.1.0 <1.1.2



    Attack Complexity High
    Integrity High

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  • Snyk ID npm:safe-compare:20180417
  • published 17 Apr 2018
  • disclosed 21 Feb 2018
  • credit Snyk Security Research Team

Introduced: 21 Feb 2018

CVE NOT AVAILABLE CWE-522 Open this link in a new tab
First added by Snyk

How to fix?

Upgrade safe-compare to version 1.1.2 or higher.


safe-compare is a constant-time comparison algorithm to prevent timing attacks..

Affected versions of the package are vulnerable to Insecure Credential Comparison. It used the bufferAlloc constructor incorrectly, which caused the password string to be "padded" with itself. This means that the passwords "a" and "aaaaaaaaaaaaa" would be equal.