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CVE-2014-4616
medium
CVSS 5.9
Vulnerability in simplejson (CVE-2014-4616)
Summary
vulnerability in simplejson (CVE-2014-4616). Confidential information can be exposed externally. Mitigation: upgrade to `2.6.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2014-4616** has been found in simplejson.
Confidential information can be exposed externally. CVSS score: 5.9/10.
What to do: upgrade simplejson to **2.6.1** or later.
If unsure, ask your IT team or search "simplejson CVE-2014-4616" on the vendor's site.
CVE-2014-4616 (simplejson) — CWE-129 / CVSS v3 5.9
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `2.6.1` — 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-129) exists in simplejson.
📍 Affected scope
simplejson — .
🔥 Severity
Severity: Medium (CVSS 5.9/10). Confidential information can be exposed externally
🔧 How to fix
Update to **2.6.1**.
🛡️ 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 'simplejson' .` 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 'simplejson' . | 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 `simplejson` 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 simplejson to 2.6.1ステージング環境で 2.6.1 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
PyPI
simplejson
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1"}]}]
References
- advisory http://rhn.redhat.com/errata/RHSA-2015-1064.html
- advisory http://www.securityfocus.com/bid/68119
- advisory https://access.redhat.com/security/cve/cve-2014-4616
- advisory https://nvd.nist.gov/vuln/detail/CVE-2014-4616
- advisory https://github.com/advisories/GHSA-9772-cwx9-r4cj
- package https://github.com/simplejson/simplejson
- package https://pypi.org/project/simplejson
- patch https://hackerone.com/reports/12297
- patch https://security.gentoo.org/glsa/201503-10
- report http://bugs.python.org/issue21529
- report https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395
- report https://bugzilla.redhat.com/show_bug.cgi?id=1112285
- report https://bugs.python.org/issue21529
- web http://lists.opensuse.org/opensuse-updates/2014-07/msg00015.html
- web http://openwall.com/lists/oss-security/2014/06/24/7