← Back
DEBIAN-CVE-2022-39286
Vulnerability in jupyter-core (DEBIAN-CVE-2022-39286)
Summary
vulnerability in jupyter-core (DEBIAN-CVE-2022-39286). Risk of unauthorized operations or information disclosure. Exploitable via ``jupyter_core``. Mitigation: upgrade to `4.7.1-1+deb11u1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **DEBIAN-CVE-2022-39286** has been found in jupyter-core.
Attackers can target a specific entry point like ``jupyter_core`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade jupyter-core to **4.7.1-1+deb11u1** or later.
If unsure, ask your IT team or search "jupyter-core DEBIAN-CVE-2022-39286" on the vendor's site.
DEBIAN-CVE-2022-39286 (jupyter-core) —
Attack surface: `jupyter_core`
Patched: `4.7.1-1+deb11u1` — apply immediately
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** (unclassified) exists in jupyter-core. Attackers reach the vulnerable code path via ``jupyter_core`` without authentication.
📍 Affected scope
jupyter-core — . Attack surface: `jupyter_core`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **4.7.1-1+deb11u1**.
🛡️ 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 'jupyter-core' .` 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 'jupyter-core' . | 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 `jupyter-core` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade jupyter-core to 4.7.1-1+deb11u1ステージング環境で 4.7.1-1+deb11u1 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
Debian:11
jupyter-core
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.1-1+deb11u1"}]}]
Debian:12
jupyter-core
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.2-1"}]}]
Debian:13
jupyter-core
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.2-1"}]}]
Debian:14
jupyter-core
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.2-1"}]}]