Apple · Multiple Products
CVE-2024-27834
Apple Multiple Products Improper Authentication Vulnerability
概要
The issue was addressed with improved checks. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, watchOS 10.5. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.
CISA: Apple iOS, iPadOS, macOS, Safari, tvOS and watchOS 10.5 contain an improper authentication vulnerability which could allow an attacker with arbitrary read and write capability to bypass pointer authentication.
対処法
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
米国連邦機関の対応期限：2026年11月18日
Appleのその他の悪用された脆弱性
| 追加日 | 脆弱性 | 製品 | 深刻度 | 攻撃の可能性 |
|---|---|---|---|---|
| 2026/09/29 | Out-of-Bounds Write | Multiple Products | 高 8.8 | 26% |
| 2026/03/20 | Buffer Overflow | Multiple Products | 高 8.8 | 1.7% |
| 2026/03/20 | Improper Locking | Multiple Products | 高 7.8 | 0.4% |
| 2026/03/20 | Classic Buffer Overflow | Multiple Products | 中 5.5 | 0.4% |
| 2026/03/05 | Integer Overflow or Wraparound | Multiple Products | 高 8.8 | 7.0% |
| 2026/03/05 | Use-After-Free | Multiple Products | 高 8.8 | 4.0% |
| 2026/02/12 | Multiple Buffer Overflow | Multiple Products | 高 7.8 | 1.7% |
| 2025/12/15 | Use-After-Free WebKit | Multiple Products | 高 8.8 | 26% |
出典：Known Exploited Vulnerabilities（CISA、パブリックドメイン）、CVE records（cve.org）、EPSS（FIRST）。攻撃の可能性は、今後30日以内に誰かがその脆弱性の悪用を試みるというEPSSの推定値です。