Improper Certificate Validation Affecting node Open this link in a new tab package, versions [12.0.0,12.15.0) [13.0.0,13.8.0) [10.0.0,10.19.0)

  • Exploit Maturity

    Proof of concept

  • Attack Complexity


  • Confidentiality


  • Availability


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  • snyk-id


  • published

    6 Feb 2020

  • disclosed

    6 Feb 2020

  • credit


How to fix?

Upgrade node to version 12.15.0, 13.8.0, 10.19.0 or higher.


node is a JavaScript runtime built on Chrome's V8 JavaScript engine.

Affected versions of this package are vulnerable to Improper Certificate Validation. It is possible to trigger an assertion on a TLS server with a malformed certificate string. X509V3_EXT_print can return value different from 1 if the X509 extension does not support printing to a buffer. Instead of failing with an unrecoverable assertion. This vulnerability can be exploited by a user that can remotely connect to a TLS server and supply an invalid certificate, causing the server to crash. As such, this vulnerability could result in a denial-of-service vulnerability.