CVE-2024-10924
Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) に報告された脆弱性
概要
The Really Simple Security (Free, Pro, and Pro Multisite) plugins for WordPress are vulnerable to authentication bypass in versions 9.0.0 to 9.1.1.1. This is due to improper user check error handling in the two-factor REST API actions with the 'check_login_and_get_user' function. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, when the "Two-Factor Authentication" setting is enabled (disabled by default).
影響を受けるバージョン
- 9.0.0以上 〜 9.1.2未満
対処方法
Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) を 9.1.2 以降に更新してください。これで本脆弱性は解消します。
Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) の他の脆弱性を見る →
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URLを入力するだけで、実際に使われているプラグインを検出し、 このデータベースと突き合わせて既知の脆弱性が残っていないかを確認できます。登録不要・無料です。
30秒で無料診断する参照
- https://plugins.trac.wordpress.org/browser/really-simple-ssl/tags/9.1.1.1/security/wordpress/two-fa/class-rsssl-two-factor-on-board-api.php#L277
- https://plugins.trac.wordpress.org/browser/really-simple-ssl/tags/9.1.1.1/security/wordpress/two-fa/class-rsssl-two-factor-on-board-api.php#L278
- https://plugins.trac.wordpress.org/browser/really-simple-ssl/tags/9.1.1.1/security/wordpress/two-fa/class-rsssl-two-factor-on-board-api.php#L67
- https://plugins.trac.wordpress.org/changeset/3188431/really-simple-ssl
- https://www.wordfence.com/blog/2024/11/really-simple-security-vulnerability/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7d5d05ad-1a7a-43d2-bbbf-597e975446be?source=cve
- https://github.com/JoshuaProvoste/0-click-RCE-Exploit-for-CVE-2024-10924