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CVE-2022-42004
Vulnerability in com.fasterxml.jackson.core:jackson-databind (CVE-2022-42004)
Summary
vulnerability in com.fasterxml.jackson.core:jackson-databind (CVE-2022-42004). Risk of unauthorized operations or information disclosure. Exploitable via ``UNWRAP_SINGLE_VALUE_ARRAYS``. Mitigation: upgrade to `2.13.4` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2022-42004** has been found in com.fasterxml.jackson.core:jackson-databind.
Attackers can target a specific entry point like ``UNWRAP_SINGLE_VALUE_ARRAYS`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade com.fasterxml.jackson.core:jackson-databind to **2.13.4** or later.
If unsure, ask your IT team or search "com.fasterxml.jackson.core:jackson-databind CVE-2022-42004" on the vendor's site.
CVE-2022-42004 (com.fasterxml.jackson.core:jackson-databind) — CWE-400 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: `UNWRAP_SINGLE_VALUE_ARRAYS`
Patched: `2.13.4` — 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** (CWE-400) exists in com.fasterxml.jackson.core:jackson-databind. Attackers reach the vulnerable code path via ``UNWRAP_SINGLE_VALUE_ARRAYS`` without authentication.
📍 Affected scope
com.fasterxml.jackson.core:jackson-databind — . Attack surface: `UNWRAP_SINGLE_VALUE_ARRAYS`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **2.13.4**.
🛡️ 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 'com.fasterxml.jackson.core:jackson-databind' .` 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
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1Identify exposure identify
grep -r 'com.fasterxml.jackson.core:jackson-databind' . | 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 `com.fasterxml.jackson.core:jackson-databind` 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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6Apply patch patch
Upgrade com.fasterxml.jackson.core:jackson-databind to 2.13.4ステージング環境で 2.13.4 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
maven
com.fasterxml.jackson.core:jackson-databind
[{"type":"ECOSYSTEM","events":[{"introduced":"2.13.0"},{"fixed":"2.13.4"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2022-42004
- package https://github.com/FasterXML/jackson-databind
- web https://github.com/FasterXML/jackson-databind/issues/3582
- web https://github.com/FasterXML/jackson-databind/commit/063183589218fec19a9293ed2f17ec53ea80ba88
- web https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50490
- web https://security.gentoo.org/glsa/202210-21
- web https://www.debian.org/security/2022/dsa-5283
- web https://lists.debian.org/debian-lts-announce/2022/11/msg00035.html
- web https://github.com/FasterXML/jackson-databind/commit/35de19e7144c4df8ab178b800ba86e80c3d84252
- web https://github.com/FasterXML/jackson-databind/commit/cd090979b7ea78c75e4de8a4aed04f7e9fa8deea
- web https://security.netapp.com/advisory/ntap-20221118-0008
- web https://github.com/FasterXML/jackson-databind/commit/0e37a39502439ecbaa1a5b5188387c01bf7f7fa1
- web https://github.com/advisories/GHSA-rgv9-q543-rqg4