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CVE-2025-24129: High Vulnerability in Apple iOS and macOS Products

A high-severity type confusion vulnerability in Apple iOS and macOS products may lead to unexpected app termination. Organizations should prioritize patching to mitigate risks associated with this vulnerability.

HIGHCVSS 7.5 · Published January 27, 2025

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CVE-2025-24129 addresses a type confusion issue in Apple iOS and macOS products, which has been classified as a high-severity vulnerability with a CVSS score of 7.5. This vulnerability allows an attacker on the local network to cause unexpected termination of applications, posing significant risks to users and organizations relying on these platforms.

The urgency for organizations to act is underscored by the potential impact on system availability. Given that the attack vector is network-based and the complexity is low, this vulnerability is particularly concerning. Organizations should prioritize patching immediately, as exploits could lead to service disruptions.

Apple has addressed this issue in the latest versions of their operating systems, including iOS 18.3, iPadOS 18.3, macOS Sequoia 15.3, and others. This vulnerability is particularly relevant for users and businesses operating in environments where network access is possible.

Organizations should assess their systems for affected products and schedule remediation to mitigate risks associated with this vulnerability.

Vulnerability Details

The vulnerability is characterized as a type confusion issue, which has been addressed with improved checks in the affected products. The specific systems impacted include iOS, iPadOS, macOS, tvOS, visionOS, and watchOS, with the respective versions mentioned in the CVE details.

The CVSS score of 7.5 indicates a high severity level, with the attack vector being network-based and requiring no privileges or user interaction. The impact on availability is assessed as high, meaning that it can lead to significant service disruptions.

The vulnerability is classified under CWE-843, indicating a type confusion issue. Organizations should ensure they are running the latest versions of the affected operating systems to protect against this vulnerability.

Technical Analysis

The root cause of this vulnerability stems from type confusion, where the software fails to correctly distinguish between different data types. This can lead to unpredictable behavior, including application crashes. The attack vector is network-based, allowing an attacker within the same local network to exploit the vulnerability without requiring elevated privileges.

The attack complexity is low, meaning that the conditions required for exploitation are straightforward. No privileges are required and user interaction is not needed, which enhances the risk associated with this vulnerability.

Regarding impacts, confidentiality and integrity are not affected; however, availability is significantly impacted, as applications may terminate unexpectedly, disrupting services.

Risk & Impact Analysis

The real-world risk posed by CVE-2025-24129 is notable, especially for organizations that operate critical applications on affected Apple platforms. The potential for unexpected application terminations can disrupt business operations, leading to loss of productivity and potential revenue.

Given the nature of the vulnerability, the blast radius could extend to any networked device that connects to the vulnerable systems. This amplifies the urgency for organizations to address the vulnerability in their patch cycles.

The CVSS score indicates a high priority for remediation, and organizations should take immediate action to patch the affected systems to mitigate the risk of exploitation.

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The affected versions of Apple products include:

iOS and iPadOS versions prior to 18.3, macOS versions prior to 15.3, tvOS versions prior to 18.3, visionOS versions prior to 2.3, and watchOS versions prior to 11.3.

Mitigation & Remediation

Organizations should ensure that they update their systems to the latest versions provided by Apple to mitigate the risks associated with this vulnerability. Specifically, users should upgrade to iOS 18.3, iPadOS 18.3, macOS Sequoia 15.3, and the corresponding updates for tvOS, visionOS, and watchOS.

In cases where immediate patching is not possible, organizations should implement network segmentation to limit exposure to potential attackers and monitor for unusual application behavior.

For ongoing security, organizations may consider engaging in penetration testing to identify and address similar vulnerabilities in their security posture.

Detection Guidance

To effectively detect potential exploitation of this vulnerability, organizations should monitor application logs for unusual termination events and network traffic for attempts to interact with vulnerable services.

Behavioral anomalies in application performance may also indicate attempts to exploit this vulnerability, warranting further investigation.

AppSecure Threat Intelligence Insight

The long-term significance of CVE-2025-24129 lies in its representation of ongoing challenges in type handling within software development, particularly in systems where network access is prevalent.

This vulnerability emphasizes the need for organizations to adopt comprehensive security practices, including regular updates and vulnerability assessments, to safeguard their systems.

Organizations should also review their incident response plans to ensure they are prepared for potential disruptions stemming from vulnerabilities like this.

For further insights into security best practices, organizations may refer to the following resources:

penetration testing methodology and vulnerability management program design to strengthen defenses against future threats.

Organizations should also stay informed about evolving threats and adjust their security strategies accordingly.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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