CVE-2025-24154 in iOS
Summary
by MITRE • 01/28/2025
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Ventura 13.7.3, macOS Sonoma 14.7.3, visionOS 2.3, iOS 18.3 and iPadOS 18.3, macOS Sequoia 15.3. An attacker may be able to cause unexpected system termination or corrupt kernel memory.
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Analysis
by VulDB Data Team • 03/04/2025
This vulnerability represents a critical out-of-bounds write flaw that exists within Apple's operating system implementations across multiple platforms including macOS, iOS, and visionOS. The issue stems from insufficient input validation mechanisms that fail to properly sanitize or verify data boundaries before processing memory operations. When maliciously crafted input reaches the affected system components, the validation checks prove inadequate, allowing for memory corruption that can lead to system instability. The vulnerability specifically impacts kernel-level operations where memory addresses are manipulated without proper boundary enforcement, creating opportunities for arbitrary code execution or system crashes. This type of flaw typically occurs in low-level system functions that handle data processing, buffer management, or memory allocation operations where proper bounds checking should prevent writes beyond allocated memory regions.
The technical exploitation of this vulnerability follows patterns consistent with common attack vectors targeting kernel memory corruption issues. Attackers can craft specific inputs that trigger the out-of-bounds write condition, potentially causing the system to write data beyond intended memory boundaries. This memory corruption can manifest as unexpected system termination, kernel panic conditions, or more insidiously, subtle memory corruption that may persist and allow for privilege escalation attacks. The vulnerability's impact extends across multiple Apple operating system versions, indicating it affects core system components that share common codebases between different platform implementations. From a cybersecurity perspective, this flaw represents a significant risk as it can be leveraged to compromise system integrity and potentially establish persistent access to affected devices.
The operational implications of this vulnerability are substantial for enterprise and individual users alike, particularly given the widespread deployment of affected operating system versions. Organizations relying on Apple devices for critical operations face potential service disruptions, data integrity concerns, and increased attack surface exposure. The vulnerability's potential to cause system termination means that targeted attacks could result in denial of service conditions that may be difficult to detect or recover from. Security teams must consider the risk of this vulnerability being exploited in the wild, especially given that it affects multiple platform versions that are commonly used in corporate environments. The memory corruption aspect also raises concerns about data confidentiality and integrity, as kernel-level modifications can potentially expose sensitive information or compromise system security controls.
Mitigation strategies for this vulnerability require immediate deployment of the vendor-provided security updates that address the input validation gaps. System administrators should prioritize patching across all affected platforms including macOS Ventura 13.7.3, macOS Sonoma 14.7.3, visionOS 2.3, iOS 18.3, iPadOS 18.3, and macOS Sequoia 15.3. Organizations should implement comprehensive monitoring to detect potential exploitation attempts and establish incident response procedures for systems that may be compromised. Additional defensive measures include network segmentation to limit potential attack vectors, enhanced endpoint detection and response capabilities, and regular security assessments to identify similar vulnerabilities in other system components. The fix implemented by Apple demonstrates proper remediation techniques through improved input validation mechanisms that enforce strict boundary checks on memory operations, aligning with security best practices recommended in standards such as those outlined in the CWE database for memory safety issues. This vulnerability also highlights the importance of maintaining up-to-date security patches and implementing layered defense strategies that reduce the risk of exploitation across multiple attack surfaces.