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NULL Pointer Dereference Affecting github.com/golang/crypto package, versions <0.0.0-20201216223049-8b5274cf687f

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.54% (78th percentile)
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NVD
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-GOLANG-GITHUBCOMGOLANGCRYPTO-2825233
  • published 9 Jan 2022
  • disclosed 9 Jan 2022
  • credit Joern Schneewesiz
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Introduced: 9 Jan 2022

CVE-2020-29652 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade github.com/golang/crypto to version 0.0.0-20201216223049-8b5274cf687f or higher.

Overview

github.com/golang/crypto is a SSH client and server

Affected versions of this package are vulnerable to NULL Pointer Dereference via a crafted authentication request message for the gssapi-with-mic method which will cause NewServerConn to panic if ServerConfig.GSSAPIWithMICConfig is nil.