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CCE
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CCE-90964-8

Platform: cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7Date: (C)2017-06-29   (M)2023-07-04



The pam_pwquality module's 'lcredit' parameter controls requirements for usage of lowercase letters in a password. When set to a negative number, any password will be required to contain that many lowercase characters. When set to a positive number, pam_pwquality will grant +1 additional length credit for each lowercase character. Modify the 'lcredit' setting in '/etc/security/pwquality.conf' to require the use of a lowercase character in passwords.


Parameter:

[2_lower_char/-1_lower_char/0_lower_char]


Technical Mechanism:

Requiring a minimum number of lowercase characters makes password guessing attacks more difficult by ensuring a larger search space.

CCSS Severity:CCSS Metrics:
CCSS Score : 8.1Attack Vector: NETWORK
Exploit Score: 2.2Attack Complexity: HIGH
Impact Score: 5.9Privileges Required: NONE
Severity: HIGHUser Interaction: NONE
Vector: AV:N/AC:H/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:31341
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:30618


OVAL    2
oval:org.secpod.oval:def:31341
oval:org.secpod.oval:def:30618
XCCDF    2
xccdf_org.secpod_benchmark_general_CENTOS_7
xccdf_org.secpod_benchmark_general_RHEL_7

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