Critical Arbitrary Read/Write Vulnerability (CVE‑2025‑31201) Bypasses Apple Pointer Authentication Across iOS, iPadOS, macOS
What It Is — Apple iOS, iPadOS, macOS and related firmware contain an arbitrary read‑and‑write flaw that lets an attacker bypass the platform’s Pointer Authentication (PA) mechanism, effectively breaking a core memory‑integrity protection.
Exploitability — The vulnerability is publicly disclosed in CISA’s Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild. No public PoC is required; the flaw is exploitable via crafted binaries that gain kernel‑level memory access.
Affected Products — iOS (all supported versions), iPadOS, macOS (all supported versions), and any Apple‑based device that incorporates the vulnerable firmware component.
Why It Matters for Trust & Control Assurance
- Demonstrates the need for continuous patch‑management evidence: auditors expect documented, timely remediation of critical OS flaws.
- Highlights the importance of secure configuration controls that enforce approved OS versions and prevent execution of unsigned code.
- Underscores the requirement for integrity monitoring (e.g., runtime integrity checks) to detect unauthorized memory manipulation.
Recommended Actions
- Verify that the latest Apple security updates (released 2025‑Q2) are deployed to all managed devices.
- Update Mobile Device Management (MDM) policies to enforce minimum OS version compliance and block legacy binaries.
- Capture and retain patch‑status logs as audit evidence for frameworks such as NIST CSF 2.0 or ISO 27001.
- Enable runtime integrity monitoring where available (e.g., Apple’s System Integrity Protection) and log any deviation.
Source: CISA KEV – CVE‑2025‑31201