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CVE-2020-11094

Vulnerability in rainlab/debugbar-plugin (CVE-2020-11094)

Summary

Vulnerability in rainlab/debugbar-plugin (CVE-2020-11094). Confidential information can be exposed externally. Mitigation: upgrade to 3.1.0 or later.

Original description

The description as published by the source.

Impact

The debugbar contains a perhaps little known feature where it will log all requests (and all information pertaining to each request including session data) whenever it is enabled. This presents a problem if the plugin is ever enabled on a system that is open to untrusted users as the potential exists for them to use this feature to view all requests being made to the application and obtain sensitive information from those requests. There even exists the potential for account takeovers of authenticated users by non-authenticated public users, which would then lead to a number of other potential issues as an attacker could theoretically get full access to the system if the required conditions existed.

Patches

Issue has been patched in v3.1.0 by locking down access to the debugbar to all users; it now requires an authenticated backend user with a specifically enabled permission before it is even usable, and the feature that allows access to stored request information is restricted behind a different permission that's more restrictive.

Workarounds

Apply https://github.com/rainlab/debugbar-plugin/commit/86dd29f9866d712de7d98f5f9dc67751b82ecd18 to your installation manually if unable to upgrade to v3.1.0.

For more information

If you have any questions or comments about this advisory:

Acknowledgements

Thanks to [Freddie Poser…

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-2020-11094 has been found in rainlab/debugbar-plugin.
Confidential information can be exposed externally.
What to do: upgrade rainlab/debugbar-plugin to 3.1.0 or later.
If unsure, ask your IT team or search "rainlab/debugbar-plugin CVE-2020-11094" on the vendor's site.

CVE-2020-11094 (rainlab/debugbar-plugin) — CWE-532
Attack vector: remote (network-reachable) / unauthenticated
Patched: 3.1.0 — apply immediately
Workaround: Apply https://github.com/rainlab/debugbar-plugin/commit/86dd29f9866d712de7d98f5f9dc67751b82ecd18 to your installation manually if unable to upgrade to v3.1.0.
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-532) exists in rainlab/debugbar-plugin.

📍 Affected scope

Check the vendor advisory for the affected versions of rainlab/debugbar-plugin.

🔥 Severity

Severity: ?. Confidential information can be exposed externally.

🔧 How to fix

Update to 3.1.0.

🛡️ Workaround

Workaround: Apply https://github.com/rainlab/debugbar-plugin/commit/86dd29f9866d712de7d98f5f9dc67751b82ecd18 to your installation manually if unable to upgrade to v3.1.0.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'rainlab/debugbar-plugin' . 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 'rainlab/debugbar-plugin' . | 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 rainlab/debugbar-plugin 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 temporary workaround mitigate 
    Apply https://github.com/rainlab/debugbar-plugin/commit/86dd29f9866d712de7d98f5f9dc67751b82ecd18 to your installation manually if unable to upgrade to v3.1.0.

    パッチが適用されるまでの応急処置として、Apply https://github.com/rainlab/debugbar-plugin/commit/86dd29f9866d712de7d98f5f9dc67751b82ecd18 to your installation manually if unable to upgrade to v3.1.0. を実施。回避策の副作用 (機能低下) を確認した上で。

  3. 3
    Apply patch patch 
    Upgrade rainlab/debugbar-plugin to 3.1.0

    ステージング環境で 3.1.0 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。

  4. 4
    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

Packagist rainlab/debugbar-plugin
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0"}]}]

References

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