Vulnerability in rails
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 DEBIAN-CVE-2018-16477 has been found in rails.
Data can be tampered with by attackers.
What to do: upgrade rails to 2:5.2.2+dfsg-1 or later.
If unsure, ask your IT team or search "rails DEBIAN-CVE-2018-16477" on the vendor's site.
DEBIAN-CVE-2018-16477 (rails)
Attack vector: remote (network-reachable) / unauthenticated
Patched: 2:5.2.2+dfsg-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.
A vulnerability (unclassified) exists in rails.
Check the vendor advisory for the affected versions of rails.
Severity: ?. Data can be tampered with by attackers.
Update to 2:5.2.2+dfsg-1.
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 'rails' . 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
-
1
Identify exposureidentify
grep -r 'rails' . | 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
railsを grep し、稼働しているサービス・バージョンを把握する。 -
2
Apply patchpatch
Upgrade rails to 2:5.2.2+dfsg-1ステージング環境で 2:5.2.2+dfsg-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を含めること。
-
3
Post-deployment verificationverify
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
| Ecosystem | Package | Affected | Fixed |
|---|---|---|---|
| Debian:12 | rails |
< 2:5.2.2+dfsg-1 |
2:5.2.2+dfsg-1 |
| Debian:13 | rails |
< 2:5.2.2+dfsg-1 |
2:5.2.2+dfsg-1 |
| Debian:14 | rails |
< 2:5.2.2+dfsg-1 |
2:5.2.2+dfsg-1 |
Original description The description as published by the source.
A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the content-disposition and content-type parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.
Source: OSV.dev (Open Source Vulnerabilities) OSV
References
- advisory security-tracker.debian.org