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Renum ssh config check 9.3.x to 5.2.x
Also renum 99.x checks that were included in CIS recommendations renamed: bin/hardening/9.3.8_disable_root_login.sh -> bin/hardening/5.2.10_disable_root_login.sh renamed: bin/hardening/9.3.9_disable_sshd_permitemptypasswords.sh -> bin/hardening/5.2.11_disable_sshd_permitemptypasswords.sh renamed: bin/hardening/9.3.10_disable_sshd_setenv.sh -> bin/hardening/5.2.12_disable_sshd_setenv.sh renamed: bin/hardening/9.3.11_sshd_ciphers.sh -> bin/hardening/5.2.13_sshd_ciphers.sh renamed: bin/hardening/99.5.2.2_ssh_cry_mac.sh -> bin/hardening/5.2.14_ssh_cry_mac.sh renamed: bin/hardening/99.5.2.1_ssh_cry_kex.sh -> bin/hardening/5.2.15_ssh_cry_kex.sh renamed: bin/hardening/9.3.12_sshd_idle_timeout.sh -> bin/hardening/5.2.16_sshd_idle_timeout.sh renamed: bin/hardening/9.3.13_sshd_limit_access.sh -> bin/hardening/5.2.18_sshd_limit_access.sh renamed: bin/hardening/9.3.14_ssh_banner.sh -> bin/hardening/5.2.19_ssh_banner.sh renamed: bin/hardening/9.3.3_sshd_conf_perm_ownership.sh -> bin/hardening/5.2.1_sshd_conf_perm_ownership.sh renamed: bin/hardening/9.3.1_sshd_protocol.sh -> bin/hardening/5.2.4_sshd_protocol.sh renamed: bin/hardening/9.3.2_sshd_loglevel.sh -> bin/hardening/5.2.5_sshd_loglevel.sh renamed: bin/hardening/9.3.4_disable_x11_forwarding.sh -> bin/hardening/5.2.6_disable_x11_forwarding.sh renamed: bin/hardening/9.3.5_sshd_maxauthtries.sh -> bin/hardening/5.2.7_sshd_maxauthtries.sh renamed: bin/hardening/9.3.6_enable_sshd_ignorerhosts.sh -> bin/hardening/5.2.8_enable_sshd_ignorerhosts.sh renamed: bin/hardening/9.3.7_disable_sshd_hostbasedauthentication.sh -> bin/hardening/5.2.9_disable_sshd_hostbasedauthentication.sh renamed: tests/hardening/9.3.9_disable_sshd_permitemptypasswords.sh -> tests/hardening/5.2.10_disable_root_login.sh renamed: tests/hardening/9.3.8_disable_root_login.sh -> tests/hardening/5.2.11_disable_sshd_permitemptypasswords.sh renamed: tests/hardening/9.3.7_disable_sshd_hostbasedauthentication.sh -> tests/hardening/5.2.12_disable_sshd_setenv.sh renamed: tests/hardening/9.3.6_enable_sshd_ignorerhosts.sh -> tests/hardening/5.2.13_sshd_ciphers.sh renamed: tests/hardening/99.5.2.2_ssh_cry_mac.sh -> tests/hardening/5.2.14_ssh_cry_mac.sh renamed: tests/hardening/99.5.2.1_ssh_cry_kex.sh -> tests/hardening/5.2.15_ssh_cry_kex.sh renamed: tests/hardening/9.3.5_sshd_maxauthtries.sh -> tests/hardening/5.2.16_sshd_idle_timeout.sh renamed: tests/hardening/9.3.4_disable_x11_forwarding.sh -> tests/hardening/5.2.18_sshd_limit_access.sh renamed: tests/hardening/9.3.3_sshd_conf_perm_ownership.sh -> tests/hardening/5.2.19_ssh_banner.sh renamed: tests/hardening/9.3.1_sshd_protocol.sh -> tests/hardening/5.2.1_sshd_conf_perm_ownership.sh renamed: tests/hardening/9.3.14_ssh_banner.sh -> tests/hardening/5.2.4_sshd_protocol.sh renamed: tests/hardening/9.3.2_sshd_loglevel.sh -> tests/hardening/5.2.5_sshd_loglevel.sh renamed: tests/hardening/9.3.13_sshd_limit_access.sh -> tests/hardening/5.2.6_disable_x11_forwarding.sh renamed: tests/hardening/9.3.12_sshd_idle_timeout.sh -> tests/hardening/5.2.7_sshd_maxauthtries.sh renamed: tests/hardening/9.3.11_sshd_ciphers.sh -> tests/hardening/5.2.8_enable_sshd_ignorerhosts.sh renamed: tests/hardening/9.3.10_disable_sshd_setenv.sh -> tests/hardening/5.2.9_disable_sshd_hostbasedauthentication.sh
This commit is contained in:
Charles Herlin
committed by
Thibault Ayanides
Thibault Ayanides
parent
c863a01305
commit
9e61ca8367
93
bin/hardening/5.2.8_enable_sshd_ignorerhosts.sh
Executable file
93
bin/hardening/5.2.8_enable_sshd_ignorerhosts.sh
Executable file
@ -0,0 +1,93 @@
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#!/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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# 5.2.8 Set SSH IgnoreRhosts to Yes (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 SSH IgnoreRhosts to Yes."
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PACKAGE='openssh-server'
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OPTIONS='IgnoreRhosts=yes'
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FILE='/etc/ssh/sshd_config'
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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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is_pkg_installed $PACKAGE
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if [ $FNRET != 0 ]; then
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crit "$PACKAGE is not installed!"
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else
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ok "$PACKAGE is installed"
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for SSH_OPTION in $OPTIONS; do
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SSH_PARAM=$(echo $SSH_OPTION | cut -d= -f 1)
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SSH_VALUE=$(echo $SSH_OPTION | cut -d= -f 2)
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PATTERN="^$SSH_PARAM[[:space:]]*$SSH_VALUE"
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does_pattern_exist_in_file $FILE "$PATTERN"
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if [ $FNRET = 0 ]; then
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ok "$PATTERN is present in $FILE"
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else
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crit "$PATTERN is not present in $FILE"
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fi
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done
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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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is_pkg_installed $PACKAGE
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if [ $FNRET = 0 ]; then
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ok "$PACKAGE is installed"
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else
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crit "$PACKAGE is absent, installing it"
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apt_install $PACKAGE
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fi
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for SSH_OPTION in $OPTIONS; do
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SSH_PARAM=$(echo $SSH_OPTION | cut -d= -f 1)
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SSH_VALUE=$(echo $SSH_OPTION | cut -d= -f 2)
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PATTERN="^$SSH_PARAM[[:space:]]*$SSH_VALUE"
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does_pattern_exist_in_file $FILE "$PATTERN"
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if [ $FNRET = 0 ]; then
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ok "$PATTERN is present in $FILE"
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else
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warn "$PATTERN is not present in $FILE, adding it"
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does_pattern_exist_in_file $FILE "^$SSH_PARAM"
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if [ $FNRET != 0 ]; then
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add_end_of_file $FILE "$SSH_PARAM $SSH_VALUE"
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else
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info "Parameter $SSH_PARAM is present but with the wrong value -- Fixing"
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replace_in_file $FILE "^$SSH_PARAM[[:space:]]*.*" "$SSH_PARAM $SSH_VALUE"
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fi
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/etc/init.d/ssh reload
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fi
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done
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$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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