Vulnerability in sigs.k8s.io/aws-load-balancer-controller (GHSA-rjfv-pjvx-mjgv)
Summary
vulnerability in sigs.k8s.io/aws-load-balancer-controller (GHSA-rjfv-pjvx-mjgv). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `2.8.2` or later.
AI summary snake-internal / snake-material-v2
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'sigs.k8s.io/aws-load-balancer-controller' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `sigs.k8s.io/aws-load-balancer-controller` を grep し、稼働しているサービス・バージョンを把握する。
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5Apply temporary workaround mitigate
If the previous behavior affected you, you can mitigate it by disabling the WebACL management feature using the --enable-waf and --enable-wafv2 command-line flags [3]パッチが適用されるまでの応急処置として、If the previous behavior affected you, you can mitigate it by disabling the WebACL management feature using the --enable-waf and --enable-wafv2 command-line flags [3] を実施。回避策の副作用 (機能低下) を確認した上で。
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6Apply patch patch
Upgrade sigs.k8s.io/aws-load-balancer-controller to 2.8.2ステージング環境で 2.8.2 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
References
- package https://github.com/kubernetes-sigs/aws-load-balancer-controller
- web https://github.com/kubernetes-sigs/aws-load-balancer-controller/security/advisories/GHSA-rjfv-pjvx-mjgv
- web https://aws.amazon.com/security/vulnerability-reporting
- web https://kubernetes-sigs.github.io/aws-load-balancer-controller/latest/deploy/configurations/#waf-addons
- web https://kubernetes-sigs.github.io/aws-load-balancer-controller/latest/guide/ingress/annotations/#addons
- web https://github.com/kubernetes-sigs/aws-load-balancer-controller/releases/tag/v2.8.2%C2%A0