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NetApp Console コネクタにおける SSH キー交換の脆弱性

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環境

  • NetApp Console Connector(Agent)
  • Open SSH 

問題

セキュリティツールは、脆弱なSSH鍵交換アルゴリズムが有効になっているため、コネクタに脆弱性VULM-41063が存在すると報告しました。

コネクタ出力

[root@cvo-connector-prod ~]# sshd -T | grep kexalgorithms
gssapikexalgorithms gss-group14-sha256-,gss-group16-sha512-,gss-nistp256-sha256-,gss-curve25519-sha256-,gss-group14-sha1-,gss-gex-sha1-
kexalgorithms curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1
[root@cvo-connector-prod ~]#
[root@cvo-connector-prod ~]# sshd -T | grep gssapikexalgorithms
gssapikexalgorithms gss-group14-sha256-,gss-group16-sha512-,gss-nistp256-sha256-,gss-curve25519-sha256-,gss-group14-sha1-,gss-gex-sha1-
[root@cvo-connector-prod ~]#

有効になっている脆弱なアルゴリズムは以下のとおりです:
gssapikexalgorithms: gss-group14-sha1-, gss-gex-sha1-
kexalgorithms: diffie-hellman-group14-sha1

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