Vulnerability in ceph
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-2020-27839 has been found in ceph.
Risk of unauthorized operations or information disclosure.
What to do: upgrade ceph to 14.2.18-1 or later.
If unsure, ask your IT team or search "ceph DEBIAN-CVE-2020-27839" on the vendor's site.
DEBIAN-CVE-2020-27839 (ceph)
Attack vector: remote (network-reachable)
Patched: 14.2.18-1 — 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 ceph.
Check the vendor advisory for the affected versions of ceph.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to 14.2.18-1.
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 'ceph' . 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 'ceph' . | 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
ceph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 ceph to 14.2.18-1ステージング環境で 14.2.18-1 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 | ceph |
< 14.2.18-1 |
14.2.18-1 |
| Debian:13 | ceph |
< 14.2.18-1 |
14.2.18-1 |
| Debian:14 | ceph |
< 14.2.18-1 |
14.2.18-1 |
Original description The description as published by the source.
A flaw was found in ceph-dashboard. The JSON Web Token (JWT) used for user authentication is stored by the frontend application in the browser’s localStorage which is potentially vulnerable to attackers via XSS attacks. The highest threat from this vulnerability is to data confidentiality and integrity.
Source: OSV.dev (Open Source Vulnerabilities) OSV
References
- advisory security-tracker.debian.org