Overview
The vulnerability CVE-2025-43298 is a high-risk issue affecting multiple versions of macOS. It pertains to a parsing problem in the handling of directory paths, which if exploited, can allow an application to gain root privileges. This raises serious cybersecurity concerns as it can potentially lead to system compromise or data leakage, impacting the security integrity of the affected system.
Vulnerability Summary
CVE ID: CVE-2025-43298
Severity: High (CVSS: 7.8)
Attack Vector: Local
Privileges Required: None
User Interaction: Required
Impact: System compromise and potential data leakage
Affected Products
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Product | Affected Versions
macOS Sequoia | Up to 15.7
macOS Sonoma | Up to 14.8
macOS Tahoe | Up to 26.0
How the Exploit Works
The exploit takes advantage of a parsing issue in macOS’s handling of directory paths. An attacker would craft an application, which when executed by a user, manipulates the directory path parsing mechanism to bypass system restrictions and gain root privileges. This elevated privilege can then be used to compromise the system or exfiltrate sensitive data.
Conceptual Example Code
Below is a conceptual pseudo-code example of how the vulnerability might be exploited:
# hypothetical malicious application code
def exploit():
# Create a directory path string that exploits the parsing vulnerability
malicious_path = create_malicious_path()
# Use the malicious path to gain root privileges
elevate_privileges(malicious_path)
def create_malicious_path():
# Create a path string that exploits the parsing vulnerability
# This is just a placeholder, actual code would depend on the specifics of the vulnerability
return "/../../../../etc/passwd"
def elevate_privileges(path):
# Use the malicious path to gain root privileges
# This is just a placeholder, actual code would depend on the specifics of the vulnerability
os.system(f"cd {path}")
exploit()Mitigation Guidance
To mitigate this vulnerability, users are advised to update their macOS to the latest version, as patches addressing this issue have been released in macOS Sequoia 15.7, macOS Sonoma 14.8, and macOS Tahoe 26. As a temporary mitigation, users could also employ a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to detect and prevent potential exploits.
