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CCE
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CCE-91277-4

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



Record Events That Modify User/Group Information (Scored) "Record events affecting the group, passwd (user IDs), shadow and gshadow (passwords) or /etc/security/opasswd (old passwords, based on remember parameter in the PAM configuration) files. The parameters in this section will watch the files to see if they have been opened for write or have had attribute changes (e.g. permissions) and tag them with the identifier ""identity"" in the audit log file."


Parameter:

[exists/does_not_exist]


Technical Mechanism:

Unexpected changes to these files could be an indication that the system has been compromised and that an unauthorized user is attempting to hide their activities or compromise additional accounts. Fix: Add the following lines to the /etc/audit/audit.rules file. -w /etc/group -p wa -k identity -w /etc/passwd -p wa -k identity -w /etc/gshadow -p wa -k identity -w /etc/shadow -p wa -k identity -w /etc/security/opasswd -p wa -k identity # Execute the following command to restart auditd # pkill -P 1-HUP auditd

CCSS Severity:CCSS Metrics:
CCSS Score : 5.9Attack Vector: LOCAL
Exploit Score: 2.5Attack Complexity: LOW
Impact Score: 3.4Privileges Required: NONE
Severity: MEDIUMUser Interaction: NONE
Vector: AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LScope: UNCHANGED
 Confidentiality: LOW
 Integrity: LOW
 Availability: LOW
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:39067


OVAL    1
oval:org.secpod.oval:def:39067
XCCDF    1
xccdf_org.secpod_benchmark_general_Ubuntu_14_04

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