External risk intelligence

Apple Kernel State Modification Vulnerability

CVE advisoryKnown Exploit

CVE-2023-38606

A vulnerability in Apple operating systems allows an app to alter sensitive kernel state, potentially impacting system integrity. This local vulnerability requires an application to exploit and carries business risk due to potential data compromise. Organizations should apply vendor updates to affected Apple devices.

1Halo Surface Signal

Apple Ipados

before 15.7.816.0 to before 16.611.0 to before 11.7.912.0.0 to before 12.6.813.0 to before 13.5before 16.6before 9.6

External exposure likelihood

Halo Surface Signal score for CVE-2023-38606

This vulnerability resides within the kernel of Apple operating systems and requires an application already running on the local device to execute actions to modify sensitive kernel state. It is not exposed to the public internet or network-reachable, as it is inherently tied to local device execution and user interaction.

Horizon Alert

Summary of the vulnerability and why it matters

Certain Apple operating systems have a vulnerability that could allow an application to alter critical system information. This impacts the integrity of the operating system's core functions. Organizations utilizing affected devices face potential risks to data and system stability if this vulnerability is exploited.

  • Vulnerable operating system components
  • Flaw allows sensitive state modification
  • Potential for system instability

Attack Path

How an attacker could exploit the issue

An attacker could leverage an application to modify sensitive kernel information. This vulnerability involves an app potentially altering critical system data. This could lead to unintended system behaviors or compromise the integrity of the operating system.

  • Requires local application access.
  • Attacker exploits app interaction.
  • Results in kernel state modification.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an installed application to alter critical system settings within the kernel. Organizations should consider the potential for unauthorized modifications to sensitive data and system integrity. The risk is elevated as there are reports of active exploitation.

  • Likely attacker skill level: Low
  • Required access or conditions: Local application access
  • Business risk or urgency: Elevated; potential for data or system impact

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability impacts Apple operating systems, allowing a malicious application to modify sensitive kernel states. Apple has addressed this by releasing updates for macOS, iOS, iPadOS, tvOS, and watchOS. Organizations should prioritize identifying all affected assets, implementing mitigation strategies, and verifying the application of vendor fixes to reduce business risk.

  • Locate all vulnerable Apple assets.
  • Isolate affected systems or reduce exposure.
  • Apply vendor updates and confirm.
  • Monitor for related security events.

Frequently asked questions

Which Apple operating systems are affected by CVE-2023-38606?

CVE-2023-38606 impacts macOS, iOS, iPadOS, tvOS, and watchOS. Specific versions of these operating systems released prior to certain security updates are vulnerable.

What type of vulnerability is CVE-2023-38606?

This vulnerability allows a malicious application to alter sensitive kernel state. The kernel is the core of the operating system, and its state modification can lead to unexpected system behaviors or data compromise.

How is CVE-2023-38606 exploited?

The vulnerability is triggered when an application already running on the device exploits a flaw in the operating system's state management, potentially modifying critical kernel information.

What is the relevance of CVE-2023-38606, according to CISA?

The CISA lists CVE-2023-38606 as a known exploited vulnerability impacting Apple products, indicating active exploitation against certain iOS versions. Halo Surface Signal assesses the risk as 'Very unlikely' due to its local execution requirement.

What steps should be taken to address CVE-2023-38606?

Organizations should identify all affected Apple devices, apply the vendor-released updates for macOS, iOS, iPadOS, tvOS, and watchOS, and verify that these patches have been successfully implemented to mitigate the risk.

References