Cross-Site Scripting (XSS) in backpack/crud (CVE-2022-31114)
Summary
cross-site scripting in backpack/crud (CVE-2022-31114). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `4.0.63` 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 'backpack/crud' . | 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 `backpack/crud` 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
Alternatively (if you don’t want to run `composer update`), you can manually look inside your error views in “*resources/views/errors*” and output `e($exception->getMessage())` instead of `$exception->getMessage()`.パッチが適用されるまでの応急処置として、Alternatively (if you don’t want to run `composer update`), you can manually look inside your error views in “*resources/views/errors*” and output `e($exception->getMessage())` instead of `$exception->getMessage()`. 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 backpack/crud to 4.0.63ステージング環境で 4.0.63 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
- advisory https://nvd.nist.gov/vuln/detail/CVE-2022-31114
- package https://github.com/Laravel-Backpack/CRUD
- web https://github.com/Laravel-Backpack/CRUD/security/advisories/GHSA-m8xx-3x29-84h8
- web https://backpackforlaravel.com/articles/news/we-recommend-you-fix-this-vulnerability
- web https://github.com/advisories/GHSA-m8xx-3x29-84h8