Overview
CVE-2025-43194 is a major vulnerability that affects multiple versions of macOS. The vulnerability allows an application to modify protected parts of the file system, potentially leading to a system compromise or data leakage. This vulnerability is particularly concerning due to the large number of users who could be affected and the potential for severe consequences if exploited. The vulnerability is significant due to its high severity score and the potential for serious impact on the integrity and confidentiality of the affected systems.
Vulnerability Summary
CVE ID: CVE-2025-43194
Severity: Critical (9.8/10)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
macOS Sequoia | Up to 15.6
macOS Sonoma | Up to 14.7.7
macOS Ventura | Up to 13.7.7
How the Exploit Works
The vulnerability lies in the lack of proper access control to critical parts of the file system. This allows an application to modify these parts without appropriate permissions. An attacker could exploit this vulnerability by crafting a malicious application that abuses this flaw to modify protected parts of the file system, potentially leading to a system compromise or data leakage.
Conceptual Example Code
Here’s a conceptual example of how the vulnerability might be exploited. This pseudocode represents a malicious application trying to change critical system files:
#!/bin/bash
# Pseudo code for CVE-2025-43194 exploit
echo "* Trying to modify critical system files..."
# Malicious code modifying protected parts of the file system
if [ "$(id -u)" != "0" ]; then
echo "This script must be run as root" 1>&2
exit 1
fi
echo "Modifying /etc/passwd"
echo "root:x:0:0:root:/root:/bin/bash" > /etc/passwd
echo "System compromised!"
exit 0Please note that this is a conceptual example and does not represent actual exploit code. The actual exploitation process may vary based on the attacker’s knowledge, skills, and the specific configuration of the target system.