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CCE
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CCE-91227-9

Platform: cpe:/o:ubuntu:ubuntu_linux:14.04Date: (C)2017-03-14   (M)2023-07-04



Set Password Creation Requirement Parameters Using pam_cracklib (Scored) The pam_cracklib module checks the strength of passwords. It performs checks such as making sure a password is not a dictionary word, it is a certain length, contains a mix of characters (e.g. alphabet, numeric, other) and more. The following are definitions of the pam_cracklib.so options. * retry=3 - Allow 3 tries before sending back a failure. * minlen=14 - password must be 14 characters or more * dcredit=-1 - provide at least one digit * ucredit=-1 - provide at least one uppercase character * ocredit=-1 - provide at least one special character * lcredit=-1 - provide at least one lowercase character The setting shown above is one possible policy. Alter these values to conform to your own organization's password policies.


Parameter:

[number digit char, number special char, number upper char, number lower char, 6 attempts, minimum length 6 or more]


Technical Mechanism:

Strong passwords protect systems from being hacked through brute force methods. Fix: Set the pam_cracklib.so parameters as follows in /etc/pam.d/common-password: password required pam_cracklib.so retry=3 minlen=14 dcredit=-1 ucredit=-1 ocredit=-1 lcredit=-1

CCSS Severity:CCSS Metrics:
CCSS Score : 9.8Attack Vector: NETWORK
Exploit Score: 3.9Attack Complexity: LOW
Impact Score: 5.9Privileges Required: NONE
Severity: CRITICALUser Interaction: NONE
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScope: UNCHANGED
 Confidentiality: HIGH
 Integrity: HIGH
 Availability: HIGH
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:33925


OVAL    1
oval:org.secpod.oval:def:33925
XCCDF    2
xccdf_org.secpod_benchmark_SecPod_Ubuntu_14_04
xccdf_org.secpod_benchmark_general_Ubuntu_14_04

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