Finding ID | Version | Rule ID | IA Controls | Severity |
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V-245559 | AIX7-00-002142 | SV-245559r818800_rule | Medium |
Description |
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Unauthorized permissions of the /etc/hosts file can lead to the ability for a malicious actor to redirect traffic to servers of their choice. It is also possible to use the /etc/hosts file to block detection by security software by blocking the traffic to all the download or update servers of well-known security vendors. |
STIG | Date |
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IBM AIX 7.x Security Technical Implementation Guide | 2023-02-13 |
Check Text ( C-48838r818798_chk ) |
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Check the mode of /etc/hosts using command: # ls -al /etc/hosts The above command should yield the following output: -rw-r----- 1 root system 993 Mar 11 07:04 /etc/hosts If the file has a mode more permissive than "0640", this is a finding. |
Fix Text (F-48793r818799_fix) |
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Change the mode of the file to 0640 using command: # chmod 0640 /etc/hosts |