mirror of
https://github.com/ovh/debian-cis.git
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0b85d16c16
renamed: 2.19_disable_freevxfs.sh -> 1.1.1.1_disable_freevxfs.sh renamed: 2.20_disable_jffs2.sh -> 1.1.1.2_disable_jffs2.sh renamed: 2.21_disable_hfs.sh -> 1.1.1.3_disable_hfs.sh renamed: 2.22_disable_hfsplus.sh -> 1.1.1.4_disable_hfsplus.sh renamed: 2.24_disable_udf.sh -> 1.1.1.5_disable_udf.sh renamed: 2.7_var_log_partition.sh -> 1.1.11_var_log_partition.sh renamed: 2.8_var_log_audit_partition.sh -> 1.1.12_var_log_audit_partition.sh renamed: 2.9_home_partition.sh -> 1.1.13_home_partition.sh renamed: 2.10_home_nodev.sh -> 1.1.14_home_nodev.sh renamed: 2.14_run_shm_nodev.sh -> 1.1.15_run_shm_nodev.sh renamed: 2.15_run_shm_nosuid.sh -> 1.1.16_run_shm_nosuid.sh renamed: 2.16_run_shm_noexec.sh -> 1.1.17_run_shm_noexec.sh renamed: 2.11_removable_device_nodev.sh -> 1.1.18_removable_device_nodev.sh renamed: 2.13_removable_device_nosuid.sh -> 1.1.19_removable_device_nosuid.sh renamed: 2.12_removable_device_noexec.sh -> 1.1.20_removable_device_noexec.sh renamed: 2.17_sticky_bit_world_writable_folder.sh -> 1.1.21_sticky_bit_world_writable_folder.sh renamed: 2.25_disable_automounting.sh -> 1.1.22_disable_automounting.sh renamed: 2.1_tmp_partition.sh -> 1.1.2_tmp_partition.sh renamed: 2.2_tmp_nodev.sh -> 1.1.3_tmp_nodev.sh renamed: 2.3_tmp_nosuid.sh -> 1.1.4_tmp_nosuid.sh renamed: 2.4_tmp_noexec.sh -> 1.1.5_tmp_noexec.sh renamed: 2.5_var_partition.sh -> 1.1.6_var_partition.sh renamed: 1.1_install_updates.sh -> 1.8_install_updates.sh
64 lines
2.2 KiB
Bash
Executable File
64 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# CIS Debian Hardening
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#
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#
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# 1.1.21 Ensure Sticky Bit set on All World-Writable Directories (Scored)
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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HARDENING_LEVEL=2
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DESCRIPTION="Set sticky bit on world writable directories to prevent users from deleting or renaming files that are not owned by them."
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# This function will be called if the script status is on enabled / audit mode
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audit () {
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info "Checking if setuid is set on world writable Directories"
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FS_NAMES=$(df --local -P | awk {'if (NR!=1) print $6'} )
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RESULT=$( $SUDO_CMD find $FS_NAMES -xdev -type d \( -perm -0002 -a ! -perm -1000 \) -print 2>/dev/null)
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if [ ! -z "$RESULT" ]; then
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crit "Some world writable directories are not on sticky bit mode!"
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FORMATTED_RESULT=$(sed "s/ /\n/g" <<< $RESULT | sort | uniq | tr '\n' ' ')
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crit "$FORMATTED_RESULT"
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else
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ok "All world writable directories have a sticky bit"
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply () {
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RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type d \( -perm -0002 -a ! -perm -1000 \) -print 2>/dev/null)
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if [ ! -z "$RESULT" ]; then
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df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type d -perm -0002 2>/dev/null | xargs chmod a+t
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else
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ok "All world writable directories have a sticky bit, nothing to apply"
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fi
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}
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# This function will check config parameters required
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check_config() {
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# No param for this function
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_ROOT_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_ROOT_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
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. $CIS_ROOT_DIR/lib/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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