Ensure Source Code Management (SCM) email notifications are restricted to verified domains

MédiaNível 2Automatizadagithub

Descrição

Restrict the Source Code Management (SCM) organization's email notifications to approved domains only. Restricting Source Code Management email notifications to verified domains only prevents data leaks, as personal emails and custom domains are more prone to account takeover via DNS hijacking or password breach. GraphQL notificationDeliveryRestrictionEnabledSetting must be ENABLED (GitHub Enterprise Cloud; enforced at enterprise level counts when it shows as enabled on the organization). Uses the GitHub REST/GraphQL API through gh api (read-only). The repository comes from GH_REPO or the current git checkout (gh's {owner}/{repo} resolution, GH_HOST for GitHub Enterprise Server); the organization comes from GH_ORG (default: the repository owner). Fails when gh is missing or unauthenticated (gh auth login or GH_TOKEN); organization settings and branch protection need an owner/admin token.

Como é verificado

Método de auditoria: Comando shell

shell

command -v gh >/dev/null 2>&1 || exit 1
gh auth status >/dev/null 2>&1 || exit 1
O=${GH_ORG:-$(gh api 'repos/{owner}/{repo}' --jq .owner.login 2>/dev/null)}
[ -n "$O" ] || exit 1
v=$(gh api graphql -f query='query($o: String!) { organization(login: $o) { notificationDeliveryRestrictionEnabledSetting } }' -f o="$O" --jq '.data.organization.notificationDeliveryRestrictionEnabledSetting == "ENABLED"' 2>/dev/null) || exit 1
[ "$v" = true ] && echo compliant

Saída esperada: compliant

Como é corrigido

Método de correção: Orientação ou patch de infraestrutura

Organization (or enterprise) Settings > Verified and approved domains: enable Restrict email notifications to only approved or verified domains.

Propriedades

Sistemas operacionais: Qualquer
Tags: githubsource-code
Referência: CIS GitHub Benchmark v1.2.0 - 1.3.10 Ensure Source Code Management (SCM) email notifications are restricted to verified domains

Verificar este host

Execute isto em uma máquina que você tenha permissão para auditar. A varredura é somente leitura.

shell

tmaegis scan --target github --level 2