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NULL Pointer Dereference Affecting node package, versions [15.0.0,15.14.0) [13.0.0,14.16.1) [12.0.0,12.22.1) [,10.24.1)

0.0
medium

Snyk CVSS

    Attack Complexity High
    Availability High

    Threat Intelligence

    EPSS 0.35% (72nd percentile)
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NVD
5.9 medium
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SUSE
7.5 high
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Red Hat
5.9 medium

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  • Snyk ID SNYK-UPSTREAM-NODE-1243766
  • published 7 Apr 2021
  • disclosed 7 Apr 2021
  • credit Nokia
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Introduced: 7 Apr 2021

CVE-2021-3449 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade node to version 15.14.0, 14.16.1, 12.22.1, 10.24.1 or higher.

Overview

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

Affected versions of this package are vulnerable to NULL Pointer Dereference. If sent a maliciously crafted renegotiation ClientHello message from a client, an OpenSSL TLS server may crash. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a Denial of Service.