SSH Vulnerability : SSH Server Public Key Too Small
Issue
- The following vulnerability was reported for
RHEL 6
servers :
Vulnerability Name: SSH Server Public Key Too Small
Description: DSA keys and RSA keys shorter than 2048 bits are considered vulnerable.
Solution: It is recommended to install a RSA public key length of at least 2048 bits or greater, or to switch to ECDSA or EdDSA. And disable the use of DSA key of 1024 bits.
Environment
- Red Hat Enterprise Linux 6
- openssh
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