Vulnerability in @eivifj/dot (CVE-2020-7639)
Summary
Vulnerability in @eivifj/dot (CVE-2020-7639). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 1.0.3 or later.
Original description
The description as published by the source.
eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2020-7639 has been found in @eivifj/dot.
Risk of unauthorized operations or information disclosure. CVSS score: 5.3/10.
What to do: upgrade @eivifj/dot to 1.0.3 or later.
If unsure, ask your IT team or search "@eivifj/dot CVE-2020-7639" on the vendor's site.
CVE-2020-7639 (@eivifj/dot) — CWE-1321 / CVSS v3 5.3
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: 1.0.3 — 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.
A vulnerability (CWE-1321) exists in @eivifj/dot.
Check the vendor advisory for the affected versions of @eivifj/dot.
Severity: Medium (CVSS 5.3/10). Risk of unauthorized operations or information disclosure.
Update to 1.0.3.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r '@eivifj/dot' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r '@eivifj/dot' . | 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
@eivifj/dotを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade @eivifj/dot to 1.0.3ステージング環境で 1.0.3 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を含めること。
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3Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory nvd.nist.gov
- exploit snyk.io
- package github.com
- patch github.com