Finding ID | Version | Rule ID | IA Controls | Severity |
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V-215193 | AIX7-00-001034 | SV-215193r508663_rule | Medium |
Description |
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If the root search path contains a world-writable directory, malicious software could be placed in the path by intruders and/or malicious users and inadvertently run by root with all of root's privileges. |
STIG | Date |
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IBM AIX 7.x Security Technical Implementation Guide | 2021-11-19 |
Check Text ( C-16391r294030_chk ) |
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Check for world-writable permissions on all directories in the root user's executable search path: # ls -ld `echo $PATH | sed "s/:/ /g"` drwxr-xr-x 33 root system 8192 Nov 29 14:45 /etc drwxr-xr-x 3 bin bin 256 Aug 11 2017 /sbin drwxr-xr-x 4 bin bin 45056 Oct 31 12:59 /usr/bin drwxr-xr-x 1 bin bin 16 Aug 11 2017 /usr/bin/X11 drwxr-xr-x 2 bin bin 4096 Aug 11 2017 /usr/java7_64/bin drwxr-xr-x 4 bin bin 4096 Feb 17 2017 /usr/java7_64/jre/bin drwxr-xr-x 8 bin bin 49152 Oct 31 12:59 /usr/sbin drwxrwxr-x 2 bin bin 4096 Aug 11 2017 /usr/ucb If any of the directories in the "PATH" variable are world-writable, this is a finding. |
Fix Text (F-16389r294031_fix) |
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For each world-writable path in root's executable search path, perform one of the following. Remove the world-writable permission on the directory. Run command: # chmod o-w -OR- Remove the world-writable directory from the executable search path. Identify and edit the initialization file referencing the world-writable directory and remove it from the PATH variable. |