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106 lines
7.1 KiB
Bash
106 lines
7.1 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2019) 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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# Remediation:
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#
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# here URL to the relevand/official documentation
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# https://docs.aws.amazon.com/codeartifact/latest/ug/package-origin-controls.html
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# https://zego.engineering/dependency-confusion-in-aws-codeartifact-86b9ff68963d
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# https://aws.amazon.com/blogs/devops/tighten-your-package-security-with-codeartifact-package-origin-control-toolkit/
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#
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#
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# here commands or steps to fix it if avalable, like:
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# aws codeartifact put-package-origin-configuration \
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# --package "MyPackage" \
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# --namespace "MyNamespace" \ #You don't need namespace for npm or pypi
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# --domain "MyDomain" \
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# --repository "MyRepository" \
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# --domain-owner "MyOwnerAccount"
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# --format "MyFormat" \ # npm/pypi/maven
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# --restrictions 'publish=ALLOW,upstream=BLOCK'
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CHECK_ID_extra7195="7.195"
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CHECK_TITLE_extra7195="[check7195] Ensure CodeArtifact internal packages do not allow external public source publishing."
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CHECK_SCORED_extra7195="NOT_SCORED"
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CHECK_CIS_LEVEL_extra7195="EXTRA"
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CHECK_SEVERITY_extra7195="Critical"
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CHECK_ASFF_RESOURCE_TYPE_extra7195="Other"
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CHECK_ALTERNATE_check7195="extra7195"
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CHECK_SERVICENAME_extra7195="codeartifact"
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CHECK_RISK_extra7195="Allowing package versions of a package to be added both by direct publishing and ingesting from public repositories makes you vulnerable to a dependency substitution attack."
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CHECK_REMEDIATION_extra7195="Configure package origin controls on a package in a repository to limit how versions of that package can be added to the repository."
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CHECK_DOC_extra7195="https://docs.aws.amazon.com/codeartifact/latest/ug/package-origin-controls.html"
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CHECK_CAF_EPIC_extra7195=""
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extra7195(){
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# Checks Code Artifact packages for Dependency Confusion
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# Looking for codeartifact repositories in all regions
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for regx in ${REGIONS}; do
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LIST_OF_REPOSITORIES=$("${AWSCLI}" codeartifact list-repositories ${PROFILE_OPT} --region "${regx}" --query 'repositories[*].[name,domainName,domainOwner]' --output text 2>&1)
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if [[ $(echo "${LIST_OF_REPOSITORIES}" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError|Could not connect to the endpoint URL|ExpiredToken') ]]; then
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textInfo "${regx}: Access Denied trying to list repositories" "${regx}"
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continue
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fi
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if [[ "${LIST_OF_REPOSITORIES}" != "" && "${LIST_OF_REPOSITORIES}" != "none" ]]; then
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while read -r REPOSITORY DOMAIN ACCOUNT; do
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# Iterate over repositories to get packages
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# Found repository scanning packages
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LIST_OF_PACKAGES=$(aws codeartifact list-packages --repository "$REPOSITORY" --domain "$DOMAIN" --domain-owner "$ACCOUNT" ${PROFILE_OPT} --region "${regx}" --query 'packages[*].[package, namespace, format, originConfiguration.restrictions.upstream]' --output text 2>&1)
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if [[ $(echo "${LIST_OF_PACKAGES}" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError|Could not connect to the endpoint URL|ExpiredToken') ]]; then
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textInfo "${regx}: Access Denied trying to list packages for repository: ${REPOSITORY}" "${regx}" "${REPOSITORY}"
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continue
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fi
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if [[ "${LIST_OF_PACKAGES}" != "" && "${LIST_OF_PACKAGES}" != "none" ]]; then
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while read -r PACKAGE NAMESPACE FORMAT UPSTREAM; do
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# Get the latest version of the package we assume if the latest is internal the package is internal
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# textInfo "Found package: $(if [[ "$NAMESPACE" != "" && "$NAMESPACE" != "None" ]]; then echo "${NAMESPACE}:"; fi)${PACKAGE}"
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LATEST=$(aws codeartifact list-package-versions --package "$PACKAGE" $(if [[ "$NAMESPACE" != "" && "$NAMESPACE" != "None" ]]; then echo "--namespace $NAMESPACE"; fi) --domain "$DOMAIN" --repository "$REPOSITORY" --domain-owner "$ACCOUNT" --format "$FORMAT" ${PROFILE_OPT} --region "${regx}" --sort-by PUBLISHED_TIME --no-paginate --query 'versions[0].version' --output text 2>&1)
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if grep -q -E 'AccessDenied|UnauthorizedOperation|AuthorizationError|Could not connect to the endpoint URL|ExpiredToken' <<< "${LATEST}"; then
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textInfo "${regx}: Access Denied trying to get latest version for packages: $(if [[ "$NAMESPACE" != "" && "$NAMESPACE" != "None" ]]; then echo "${NAMESPACE}:"; fi)${PACKAGE}" "${regx}"
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continue
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fi
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if grep -q -E 'ResourceNotFoundException' <<< "${LATEST}"; then
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textInfo "${regx}: Package not found for package: $(if [[ "$NAMESPACE" != "" && "$NAMESPACE" != "None" ]]; then echo "${NAMESPACE}:"; fi)${PACKAGE}" "${regx}"
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continue
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fi
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LATEST=$(head -n 1 <<< $LATEST)
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# textInfo "Latest version: ${LATEST}"
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# Get the origin type for the latest version
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ORIGIN_TYPE=$(aws codeartifact describe-package-version --package "$PACKAGE" $(if [[ "$NAMESPACE" != "" && "$NAMESPACE" != "None" ]]; then echo "--namespace $NAMESPACE"; fi) --domain "$DOMAIN" --repository "$REPOSITORY" --domain-owner "$ACCOUNT" --format "$FORMAT" --package-version "$LATEST" ${PROFILE_OPT} --region "${regx}" --query 'packageVersion.origin.originType' --output text 2>&1)
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if grep -q -E 'AccessDenied|UnauthorizedOperation|AuthorizationError|Could not connect to the endpoint URL|ExpiredToken' <<< "${ORIGIN_TYPE}"; then
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textInfo "${regx}: Access Denied trying to get origin type of package $(if [[ "$NAMESPACE" != "" && "$NAMESPACE" != "None" ]]; then echo "${NAMESPACE}:"; fi)${PACKAGE}:${LATEST}" "${regx}" "${PACKAGE}"
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continue
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fi
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if grep -q -E 'INTERNAL|UNKNOWN' <<< "${ORIGIN_TYPE}"; then
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# The package is internal
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if [[ "$UPSTREAM" == "ALLOW" ]]; then
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# The package is not configured to block upstream fail check
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textFail "${regx}: Internal package $(if [[ "$NAMESPACE" != "" && "$NAMESPACE" != "None" ]]; then echo "${NAMESPACE}:"; fi)${PACKAGE} is vulnerable to dependency confusion in repository ${REPOSITORY}" "${regx}" "${PACKAGE}"
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else
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textPass "${regx}: Internal package $(if [[ "$NAMESPACE" != "" && "$NAMESPACE" != "None" ]]; then echo "${NAMESPACE}:"; fi)${PACKAGE} is NOT vulnerable to dependency confusion in repository ${REPOSITORY}" "${regx}" "${PACKAGE}"
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fi
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fi
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done <<< "${LIST_OF_PACKAGES}"
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else
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textInfo "${regx}: No packages found in ${REPOSITORY}" "${regx}" "${REPOSITORY}"
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fi
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done <<< "${LIST_OF_REPOSITORIES}"
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else
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textPass "${regx}: No repositories found" "${regx}"
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fi
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done
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}
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