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Vulnerability in Brocade Switch for SSH Weak Key Exchange and CBC Mode Ciphers

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Category:
fabric-interconnect-and-management-switches
Specialty:
brocade
Last Updated:

Applies to

Brocade Fabric OS v9.0.1b2

Issue

A security scan reported vulnerabilities in the Brocade SAN switch G620, specifically:

  • SSH Weak Key Exchange Algorithms Enabled
  • SSH Server CBC Mode Ciphers Enabled
Example:
seccryptocfg --show       :
SSH Crypto:
SSH Cipher               : aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc,aes192-cbc,aes256-cbc
SSH Kex                  : ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
SSH MAC                  : hmac-sha1,hmac-sha2-256,hmac-sha2-512
TLS Ciphers:
HTTPS                    : ECDSA:ECDH:RSA:AES:3DES:!RSAPSK:!DHEPSK:!PSK:!DSS:!AESCCM8:!AESCCM:!ARIAGCM:!CAMELLIA:!CHACHA20:!SEED:!RC4
HTTPS_TLS_v1.3 : TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256
RADIUS                   : ECDSA:ECDH:RSA:AES:3DES:!RSAPSK:!DHEPSK:!PSK:!DSS:!AESCCM8:!AESCCM:!ARIAGCM:!CAMELLIA:!CHACHA20:!SEED:!RC4
LDAP : ECDSA:ECDH:RSA:AES:3DES:!RSAPSK:!DHEPSK:!PSK:!DSS:!AESCCM8:!AESCCM:!ARIAGCM:!CAMELLIA:!CHACHA20:!SEED:!RC4
SYSLOG   : ECDSA:ECDH:RSA:AES:3DES:!RSAPSK:!DHEPSK:!PSK:!DSS:!AESCCM8:!AESCCM:!ARIAGCM:!CAMELLIA:!CHACHA20:!SEED:!RC4

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