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Check IMA/EVM status 

Check for evmctl (Extended Verification Module) tool and system IMA (Integrity Measurement
Architecture) status.

Signed-off-by: Topi Miettinen <toiwoton@gmail.com>
This commit is contained in:
Topi Miettinen 2020-03-22 11:18:00 +02:00
parent f342669777
commit 203a4d3480
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GPG Key ID: 87E1A51C590B0577
3 changed files with 24 additions and 0 deletions
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1
db/tests.db
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@ -135,6 +135,7 @@ FINT-4330:test:security:file_integrity::mtree availability:
FINT-4334:test:security:file_integrity::Check lfd daemon status:
FINT-4336:test:security:file_integrity::Check lfd configuration status:
FINT-4338:test:security:file_integrity::osqueryd syscheck daemon running:
FINT-4339:test:security:file_integrity:Linux:Check IMA/EVM Status
FINT-4350:test:security:file_integrity::File integrity software installed:
FINT-4402:test:security:file_integrity::Checksums (SHA256 or SHA512):
FIRE-4502:test:security:firewalls:Linux:Check iptables kernel module:

1
include/binaries
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@ -157,6 +157,7 @@
xbps-query) XBPSBINARY="${BINARY}"; LogText " Found known binary: xbps (package management) - ${BINARY}" ;;
egrep) EGREPBINARY=${BINARY}; LogText " Found known binary: egrep (text search) - ${BINARY}" ;;
equery) EQUERYBINARY="${BINARY}"; LogText " Found known binary: query (package manager) - ${BINARY}" ;;
evmctl) EVMCTLBINARY=${BINARY}; LogText " Found known binary: evmctl (IMA/EVM tool) - ${BINARY}" ;;
exim) EXIMBINARY="${BINARY}"; EXIMVERSION=$(${BINARY} -bV | grep 'Exim version' | awk '{ print $3 }' | xargs); LogText " Found known binary ${BINARY} (version ${EXIMVERSION})" ;;
fail2ban-server) FAIL2BANBINARY="${BINARY}"; LogText " Found known binary: fail2ban (IPS tool) - ${BINARY}" ;;
file) FILEBINARY="${BINARY}"; LogText " Found known binary: file (file type detection) - ${BINARY}" ;;

22
include/tests_file_integrity
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@ -297,6 +297,28 @@
fi
#
#################################################################################
#
# Test : FINT-4339
# Description : Check IMA/EVM status
if [ ! -z "${EVMCTLBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; SKIPREASON="No evmctl binary found"; fi
Register --test-no FINT-4339 --os Linux --preqs-met ${PREQS_MET} --skip-reason "${SKIPREASON}" --weight L --network NO --category security --description "Check IMA/EVM status"
if [ ${SKIPTEST} -eq 0 ]; then
FOUND=0
if [ -e /sys/kernel/security/ima ]; then
FOUND=$(${CAT_BINARY} /sys/kernel/security/ima)
fi
if [ "${FOUND}" -ne 1 ]; then
LogText "Result: EVM tools found but IMA/EVM disabled"
Display --indent 2 --text "- IMA/EVM (status)" --result "${STATUS_DISABLED}" --color YELLOW
else
LogText "Result: EVM tools found, IMA/EVM enabled"
FILE_INT_TOOL="evmctl"
FILE_INT_TOOL_FOUND=1
Display --indent 2 --text "- IMA/EVM (status)" --result "${STATUS_ENABLED}" --color GREEN
fi
fi
#
#################################################################################
#
# Test : FINT-4402 (was FINT-4316)
# Description : Check if AIDE is configured to use SHA256 or SHA512 checksums