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GHSA-464c-974j-9xm6
Vulnerability in aws-cdk-lib (GHSA-464c-974j-9xm6)
Summary
vulnerability in aws-cdk-lib (GHSA-464c-974j-9xm6). Risk of unauthorized operations or information disclosure. Exploitable via ``S3LoggingOptions``. Mitigation: upgrade to `2.253.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **GHSA-464c-974j-9xm6** has been found in aws-cdk-lib.
Attackers can target a specific entry point like ``S3LoggingOptions`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade aws-cdk-lib to **2.253.0** or later.
If unsure, ask your IT team or search "aws-cdk-lib GHSA-464c-974j-9xm6" on the vendor's site.
GHSA-464c-974j-9xm6 (aws-cdk-lib) — CWE-311 /
Attack surface: `S3LoggingOptions` / `S3LoggingOptions.encrypted` / `true` / `S3LogsConfig.EncryptionDisabled`
Patched: `2.253.0` — apply immediately
Workaround: Users who are unable to immediately upgrade to version 2.253.0 should omit the `encrypted` property from their `S3LoggingOptions` configuration entirely.
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-311) exists in aws-cdk-lib. Attackers reach the vulnerable code path via ``S3LoggingOptions`` without authentication.
📍 Affected scope
aws-cdk-lib — . Attack surface: `S3LoggingOptions` / `S3LoggingOptions.encrypted` / `true` / `S3LogsConfig.EncryptionDisabled`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **2.253.0**.
🛡️ Workaround
Workaround: Users who are unable to immediately upgrade to version 2.253.0 should omit the `encrypted` property from their `S3LoggingOptions` configuration entirely.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'aws-cdk-lib' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'aws-cdk-lib' . | 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 `aws-cdk-lib` を grep し、稼働しているサービス・バージョンを把握する。
-
5Apply temporary workaround mitigate
Users who are unable to immediately upgrade to version 2.253.0 should omit the `encrypted` property from their `S3LoggingOptions` configuration entirely.パッチが適用されるまでの応急処置として、Users who are unable to immediately upgrade to version 2.253.0 should omit the `encrypted` property from their `S3LoggingOptions` configuration entirely. を実施。回避策の副作用 (機能低下) を確認した上で。
-
6Apply patch patch
Upgrade aws-cdk-lib to 2.253.0ステージング環境で 2.253.0 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。
-
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
npm
aws-cdk-lib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.253.0"}]}]
nuget
Amazon.CDK.Lib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.253.0"}]}]
maven
software.amazon.awscdk:aws-cdk-lib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.253.0"}]}]
go
github.com/aws/aws-cdk-go/awscdk/v2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.253.0"}]}]
npm
@aws-cdk/aws-codebuild
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
nuget
Amazon.CDK.AWS.CodeBuild
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
maven
software.amazon.awscdk:codebuild
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
go
github.com/aws/aws-cdk-go/awscdk
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
pip
aws-cdk-lib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.253.0"}]}]
pip
aws-cdk.aws-codebuild
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- web https://github.com/aws/aws-cdk/security/advisories/GHSA-464c-974j-9xm6
- web https://github.com/aws/aws-cdk/pull/37761
- web https://github.com/aws/aws-cdk/commit/40319185dc645d2afc6acf1d25547a86250e97af
- web https://github.com/aws/aws-cdk/releases/tag/v2.253.0
- web https://github.com/advisories/GHSA-464c-974j-9xm6