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Insecure Encryption Affecting ssh.net package, versions [2020.0.0,2020.0.2)

0.0
medium

Snyk CVSS

    Attack Complexity High
    User Interaction Required
    Confidentiality High

    Threat Intelligence

    EPSS 0.14% (50th percentile)
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NVD
5.9 medium

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  • Snyk ID SNYK-DOTNET-SSHNET-2849638
  • published 1 Jun 2022
  • disclosed 1 Jun 2022
  • credit yaumn-synacktiv
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Introduced: 1 Jun 2022

CVE-2022-29245 Open this link in a new tab
CWE-326 Open this link in a new tab

How to fix?

Upgrade SSH.NET to version 2020.0.2 or higher.

Overview

SSH.NET is a Secure Shell (SSH) library for .NET, optimized for parallelism and with broad framework support.

Affected versions of this package are vulnerable to Insecure Encryption during the X25519 key exchange. The client’s private key is being generated with System.Random, which is not a cryptographically secure random number generator.