ssh-keygen in ssh 1.2.27 - 1.2.30 with Secure-RPC can allow local attackers to recover a SUN-DES-1 magic phrase generated by another user, which the attacker can use to decrypt that user's private key file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5963
https://euvd.enisa.europa.eu/vulnerability/EUVD-2001-0259
http://www.ssh.com/products/ssh/patches/secureRPCvulnerability.html
http://www.securityfocus.com/bid/2222
http://archives.neohapsis.com/archives/bugtraq/2001-01/0262.html