このページはまだあなたの言語に翻訳されていません。翻訳作業中のため、英語でコンテンツを表示しています。
💡 Keep dependencies up to date — most exploits target known, patchable vulnerabilities.
CVE-2015-7576: Timing Attack in Ruby on Rails Actionpack
プラットフォーム
ruby
コンポーネント
actionpack
修正版
3.2.22.1
CVE-2015-7576 describes a timing attack vulnerability within the HTTP Basic Authentication implementation of Ruby on Rails' Action Controller. This flaw allows a remote attacker to potentially bypass authentication by analyzing the time taken to verify credentials. The vulnerability affects versions of Actionpack up to and including 3.2.9.rc3, with a fix available in version 3.2.22.1.
このCVEがあなたのプロジェクトに影響するか確認
Gemfile.lock ファイルをアップロードすると、影響の有無を即座にお知らせします。
影響と攻撃シナリオ翻訳中…
The primary impact of CVE-2015-7576 is the potential for unauthorized access to protected resources within a Ruby on Rails application. An attacker can exploit this timing vulnerability to deduce valid credentials by repeatedly attempting authentication and measuring the response times. While the CVSS score is LOW, successful exploitation could lead to complete compromise of the application and its data, particularly if sensitive information is accessible via Basic Authentication. This vulnerability shares similarities with other timing attacks targeting authentication mechanisms, highlighting the importance of constant-time algorithms in security-critical code.
悪用の状況翻訳中…
CVE-2015-7576 was published in 2017. There is no indication of active exploitation campaigns targeting this vulnerability. No public Proof-of-Concept (POC) exploits have been widely reported. The EPSS score is likely low, reflecting the difficulty and specialized knowledge required to successfully exploit this timing attack.
脅威インテリジェンス
エクスプロイト状況
EPSS
1.57% (81% パーセンタイル)
CVSS ベクトル
これらのメトリクスの意味は？
- Attack Vector
- ネットワーク — インターネット経由でリモートから悪用可能。物理・ローカルアクセス不要。
- Attack Complexity
- 高 — 競合条件、非標準設定、または特定の状況が必要。悪用が難しい。
- Privileges Required
- なし — 認証不要。資格情報なしで悪用可能。
- User Interaction
- なし — 自動かつ無音の攻撃。被害者は何もしない。
- Scope
- 変化なし — 影響は脆弱なコンポーネントのみ。
- Confidentiality
- 低 — 一部データへの部分的アクセス。
- Integrity
- なし — 完全性への影響なし。
- Availability
- なし — 可用性への影響なし。
影響を受けるソフトウェア
タイムライン
- 公開日
- 更新日
- EPSS 更新日
緩和策と回避策翻訳中…
The recommended mitigation for CVE-2015-7576 is to upgrade to Ruby on Rails version 3.2.22.1 or later. If upgrading is not immediately feasible, consider disabling HTTP Basic Authentication entirely and implementing a more robust authentication mechanism. As a temporary workaround, implement rate limiting on authentication attempts to make timing attacks more difficult. Review your application's authentication logic to ensure it adheres to constant-time principles. After upgrading, confirm the fix by attempting a timing attack against the authentication endpoint and verifying that response times remain consistent regardless of the provided credentials.
修正方法翻訳中…
公式パッチはありません。回避策を確認するか、アップデートを監視してください。
よくある質問翻訳中…
What is CVE-2015-7576 — Timing Attack in Ruby on Rails Actionpack?
CVE-2015-7576 is a vulnerability in Ruby on Rails Actionpack that allows attackers to bypass HTTP Basic Authentication by measuring timing differences during credential verification.
Am I affected by CVE-2015-7576 in Ruby on Rails Actionpack?
You are affected if your Ruby on Rails application uses Actionpack and is running a version prior to 3.2.22.1. Check your version using bundle -v.
How do I fix CVE-2015-7576 in Ruby on Rails Actionpack?
Upgrade your Ruby on Rails application to version 3.2.22.1 or later. Consider disabling Basic Authentication if upgrading is not immediately possible.
Is CVE-2015-7576 being actively exploited?
There is no public evidence of active exploitation campaigns targeting CVE-2015-7576, but the potential for exploitation remains.
Where can I find the official Ruby on Rails advisory for CVE-2015-7576?
Refer to the official Ruby on Rails security advisories: https://github.com/rails/rails/security/advisories
このCVEがあなたのプロジェクトに影響するか確認
Gemfile.lock ファイルをアップロードすると、影響の有無を即座にお知らせします。
Rubyプロジェクトを今すぐスキャン — アカウント不要
Upload your Gemfile.lock and get the vulnerability report instantly. No account. Uploading the file is just the start: with an account you get continuous monitoring, Slack/email alerts, multi-project and white-label reports.
依存関係ファイルをドラッグ＆ドロップ
composer.lock、package-lock.json、requirements.txt、Gemfile.lock、pubspec.lock、Dockerfile...