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CVE-2023-48054
Vulnerability in localstack (CVE-2023-48054)
Summary
vulnerability in localstack (CVE-2023-48054). Confidential information can be exposed externally.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2023-48054** has been found in localstack.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "localstack CVE-2023-48054" on the vendor's site.
CVE-2023-48054 (localstack) — CWE-295 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
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-295) exists in localstack.
📍 Affected scope
localstack — .
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'localstack' .` 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 'localstack' . | 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 `localstack` を grep し、稼働しているサービス・バージョンを把握する。
-
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
PyPI
localstack
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- advisory https://github.com/advisories/GHSA-8633-g3ph-97rp
- advisory https://nvd.nist.gov/vuln/detail/CVE-2023-48054
- package https://github.com/localstack/localstack
- web https://gxx777.github.io/localstack_v_2.3.2_Cryptographic_API_Misuse_Vulnerability.md
- web https://github.com/pypa/advisory-database/tree/main/vulns/localstack/PYSEC-2023-243.yaml