The system must enforce the entire password during authentication.

From AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Associated with IA controls: IAIA-2, IAIA-1

Associated with: CCI-000205

SV-38769r1_rule The system must enforce the entire password during authentication.

Vulnerability discussion

Some common password hashing schemes only process the first eight characters of a user's password, which reduces the effective strength of the password.

Check content

Verify no password hashes in /etc/passwd. # cat /etc/passwd | cut -f2,2 -d":" If there are password hashes present, this is a finding. Verify no password hashes in the /etc/security/passwd file begin with the characters other than {ssha256} or {ssha512} #cat /etc/security/passwd | grep password If there are password hashes that do not begin with {ssha256} or {ssha512}, this is a finding.

Fix text

Configure the system to enforce the correctness of the entire password during authentication. Configure the system to use sha password hashing. #chsec -f /etc/security/login.cfg -s usw -a pwd_algorithm=ssha256

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