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CVE-2017-12155 medium CVSS 6.3

Vulnerability in tripleo-heat-templates (CVE-2017-12155)

Summary

Vulnerability in tripleo-heat-templates (CVE-2017-12155). Confidential information can be exposed externally. Exploitable via ceph.client.openstack.keyring. Mitigation: upgrade to 7.0.6 or later.

Original description

The description as published by the source.

A resource-permission flaw was found in the tripleo-heat-templates package where ceph.client.openstack.keyring is created as world-readable. A local attacker with access to the key could read or modify data on Ceph cluster pools for OpenStack as though the attacker were the OpenStack service, thus potentially reading or modifying data in an OpenStack Block Storage volume. This has been patched in versions 7.0.6 and 8.0.0.

Source: NIST National Vulnerability Database NVD GitHub Advisory

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-2017-12155 has been found in tripleo-heat-templates.
Attackers can target a specific entry point like ceph.client.openstack.keyring over the network to misuse the product.
Confidential information can be exposed externally. CVSS score: 6.3/10.
What to do: upgrade tripleo-heat-templates to 7.0.6 or later.
If unsure, ask your IT team or search "tripleo-heat-templates CVE-2017-12155" on the vendor's site.

CVE-2017-12155 (tripleo-heat-templates) — CWE-306 / CVSS v3 6.3
Attack vector: local / no user interaction
Attack surface: ceph.client.openstack.keyring
Patched: 7.0.6 — 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-306) exists in tripleo-heat-templates. Attackers reach the vulnerable code path via ceph.client.openstack.keyring.

📍 Affected scope

Check the vendor advisory for the affected versions of tripleo-heat-templates. Attack surface: ceph.client.openstack.keyring.

🔥 Severity

Severity: Medium (CVSS 6.3/10). Confidential information can be exposed externally.

🔧 How to fix

Update to 7.0.6.

🛡️ 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 'tripleo-heat-templates' . 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. 1
    Identify exposure identify 
    grep -r 'tripleo-heat-templates' . | 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 tripleo-heat-templates を grep し、稼働しているサービス・バージョンを把握する。

  2. 2
    Apply patch patch 
    Upgrade tripleo-heat-templates to 7.0.6

    ステージング環境で 7.0.6 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. 3
    Post-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

PyPI tripleo-heat-templates
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.6"}]}]

References

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