CVE-2022-48683 in macOS
Summary
by MITRE • 06/10/2024
An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Ventura 13. An app may be able to break out of its sandbox.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 06/13/2024
The vulnerability identified as CVE-2022-48683 represents a critical sandbox escape issue within Apple's macOS operating system that was resolved in macOS Ventura 13. This access issue stems from insufficient sandbox restrictions that allowed malicious applications to potentially break out of their designated security boundaries. The flaw exists at the core of macOS's application sandboxing architecture, which is designed to isolate applications from each other and from system resources to prevent unauthorized access and privilege escalation. The vulnerability specifically affects the sandbox enforcement mechanisms that should prevent applications from accessing restricted system components, files, or processes beyond their granted permissions.
The technical implementation of this vulnerability involves weaknesses in the kernel-level sandboxing controls that govern how applications interact with system resources. When an application successfully exploits this issue, it can bypass the security restrictions that normally prevent access to sensitive areas of the operating system. This breakout capability allows the malicious application to potentially access user data, system files, network resources, or even other applications running on the same system. The exploitability of this vulnerability is particularly concerning because it targets the fundamental security model that macOS employs to protect users from malicious software and unauthorized system access. The sandbox escape occurs through improper validation of system calls or resource access requests that should be strictly controlled by the sandboxing framework.
From an operational perspective, this vulnerability poses significant risks to macOS users and organizations that rely on the operating system's security model for protection. The ability to break out of sandbox restrictions means that a compromised application could potentially access sensitive information, modify system files, or even establish persistence mechanisms within the operating system. Attackers could leverage this vulnerability to escalate privileges, access confidential user data, or use the compromised application as a foothold for further attacks within the network. The impact extends beyond individual users to enterprise environments where macOS devices may be used for sensitive operations, as the vulnerability could enable unauthorized access to corporate data or systems. This type of vulnerability directly impacts the confidentiality, integrity, and availability of system resources, making it a high-priority security concern.
Organizations and users should implement immediate mitigation strategies to address this vulnerability while awaiting the deployment of macOS Ventura 13 updates. The primary mitigation involves ensuring all systems are updated to the latest version of macOS that includes the patched sandboxing controls. System administrators should also implement additional monitoring for suspicious application behavior that might indicate sandbox escape attempts, including unusual network connections, file access patterns, or process creation activities. Security teams should review existing application sandboxing policies and consider implementing additional controls such as application whitelisting or mandatory access controls to reduce the attack surface. The vulnerability aligns with CWE-276, which describes improper permissions and access control issues, and represents a significant concern under the ATT&CK framework's privilege escalation techniques where adversaries attempt to gain higher-level permissions within operating systems. Regular security assessments and penetration testing should be conducted to verify that the sandboxing controls are functioning correctly and that no other similar vulnerabilities exist within the system's security architecture.