mirror of
https://github.com/prowler-cloud/prowler.git
synced 2026-07-24 04:51:51 +00:00
Bayron Carranza
c89fd82856
* 365 DAYS or More Retention log group in cloudwatch * fix(extra7162): Fix comparison errors Also include minor changes to texts * fix(extra7162): Set as Pass log groups that never expires * fix(typo) Co-authored-by: Pepe Fagoaga <pepe@verica.io>
76 lines
4.3 KiB
Bash
76 lines
4.3 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2018) by Toni de la Fuente
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy
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# of the License at http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software distributed
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# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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# CONDITIONS OF ANY KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations under the License.
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CHECK_ID_extra7162="7.162"
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CHECK_TITLE_extra7162="[extra7162] Check if CloudWatch Log Groups have a retention policy of at least 365 days"
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CHECK_SCORED_extra7162="NOT_SCORED"
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CHECK_CIS_LEVEL_extra7162="EXTRA"
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CHECK_SEVERITY_extra7162="Medium"
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CHECK_ASFF_RESOURCE_TYPE_extra7162="AwsLogsLogGroup"
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CHECK_ALTERNATE_check7162="extra7162"
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CHECK_SERVICENAME_extra7162="cloudwatch"
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CHECK_RISK_extra7162='If log groups have a low retention policy of less than 365 days; crucial logs and data can be lost'
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CHECK_REMEDIATION_extra7162='Add Log Retention policy of at least 365 days to log groups. This will persist logs and traces for a long time.'
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CHECK_DOC_extra7162='https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/AWS_Logs.html'
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CHECK_CAF_EPIC_extra7162='Data Retention'
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extra7162() {
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# "Check if CloudWatch Log Groups have a retention policy of 365 days"
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local LOG_GROUP_RETENTION_PERIOD_DAYS="365"
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for regx in ${REGIONS}; do
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LIST_OF_365_OR_MORE_RETENTION_LOG_GROUPS=$("${AWSCLI}" logs describe-log-groups ${PROFILE_OPT} --region "${regx}" --query "logGroups[?retentionInDays>=\`${LOG_GROUP_RETENTION_PERIOD_DAYS}\`].[logGroupName]" --output text 2>&1)
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if grep -E -q 'AccessDenied|UnauthorizedOperation|AuthorizationError' <<< "${LIST_OF_365_OR_MORE_RETENTION_LOG_GROUPS}"; then
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textInfo "${regx}: Access Denied trying to describe log groups" "${regx}"
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continue
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fi
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if [[ ${LIST_OF_365_OR_MORE_RETENTION_LOG_GROUPS} ]]; then
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for log in ${LIST_OF_365_OR_MORE_RETENTION_LOG_GROUPS}; do
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textPass "${regx}: ${log} Log Group has at least 365 days retention period!" "${regx}" "${log}"
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done
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fi
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LIST_OF_NEVER_EXPIRE_RETENTION_LOG_GROUPS=$("${AWSCLI}" logs describe-log-groups ${PROFILE_OPT} --region "${regx}" --query "logGroups[?retentionInDays==null].[logGroupName]" --output text 2>&1)
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if grep -E -q 'AccessDenied|UnauthorizedOperation|AuthorizationError' <<< "${LIST_OF_NEVER_EXPIRE_RETENTION_LOG_GROUPS}"; then
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textInfo "${regx}: Access Denied trying to describe log groups" "${regx}"
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continue
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fi
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if [[ ${LIST_OF_NEVER_EXPIRE_RETENTION_LOG_GROUPS} ]]; then
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for log in ${LIST_OF_NEVER_EXPIRE_RETENTION_LOG_GROUPS}; do
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textPass "${regx}: ${log} Log Group retention period never expires!" "${regx}" "${log}"
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done
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fi
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LIST_OF_NON_365_RETENTION_LOG_GROUPS=$("${AWSCLI}" logs describe-log-groups ${PROFILE_OPT} --region "${regx}" --query "logGroups[?retentionInDays<\`${LOG_GROUP_RETENTION_PERIOD_DAYS}\`].[logGroupName]" --output text 2>&1)
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if grep -E -q 'AccessDenied|UnauthorizedOperation|AuthorizationError' <<< "${LIST_OF_NON_365_RETENTION_LOG_GROUPS}"; then
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textInfo "${regx}: Access Denied trying to describe log groups" "${regx}"
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continue
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fi
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if [[ ${LIST_OF_NON_365_RETENTION_LOG_GROUPS} ]]; then
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for log in ${LIST_OF_NON_365_RETENTION_LOG_GROUPS}; do
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textFail "${regx}: ${log} Log Group does not have at least 365 days retention period!" "${regx}" "${log}"
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done
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fi
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REGION_NO_LOG_GROUP=$("${AWSCLI}" logs describe-log-groups ${PROFILE_OPT} --region "${regx}" --output text)
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if grep -E -q 'AccessDenied|UnauthorizedOperation|AuthorizationError' <<< "${REGION_NO_LOG_GROUP}"; then
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textInfo "${regx}: Access Denied trying to describe log groups" "${regx}"
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continue
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fi
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if [[ ${REGION_NO_LOG_GROUP} ]]; then
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:
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else
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textInfo "${regx} does not have a Log Group!" "${regx}"
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fi
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done
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}
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