{"id":40370,"date":"2025-05-19T09:34:42","date_gmt":"2025-05-19T09:34:42","guid":{"rendered":""},"modified":"2025-06-10T11:18:59","modified_gmt":"2025-06-10T17:18:59","slug":"cve-2025-31246-kernel-memory-corruption-in-macos-via-malicious-afp-server","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-31246-kernel-memory-corruption-in-macos-via-malicious-afp-server\/","title":{"rendered":"CVE-2025-31246: Kernel Memory Corruption in macOS via Malicious AFP Server<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The cybersecurity landscape is riddled with vulnerabilities that could potentially compromise systems and leak sensitive data. The CVE-2025-31246 is one such vulnerability that affects macOS systems and can lead to serious damage if not addressed promptly. This vulnerability primarily affects users connecting to a malicious Apple Filing<\/a> Protocol (AFP) server, leading to kernel memory corruption. It is a high-risk vulnerability<\/a>, underscored by its CVSS severity score of 8.8, and poses a significant threat to macOS users globally.
\nThis vulnerability is especially dangerous because it could allow<\/a> cybercriminals to compromise systems or leak data potentially. It is therefore essential for macOS users to understand the nature of this vulnerability<\/a> and take necessary steps to mitigate its risks.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-31246
\nSeverity: High (8.8 CVSS score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: System compromise or data leakage<\/a><\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

macOS Sequoia<\/a> | Up to 15.4
\nmacOS Sonoma<\/a> | Up to 14.7.5<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit takes advantage of a flaw in the memory handling mechanism when a macOS system<\/a> connects to a malicious AFP server. The AFP protocol, which is used for file services on macOS, does not properly manage kernel memory<\/a> under certain conditions, leading to corruption. An attacker could potentially use this flaw to cause unpredictable system<\/a> behavior, including system crashes, data leakage, or even complete system compromise.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

The below pseudocode demonstrates a conceptual example of how the vulnerability might be exploited. In this case, the malicious code is sent via<\/a> an AFP connection. Please note that this is a simple conceptual representation and actual attacks may be more complex and sophisticated.<\/p>\n

#!\/bin\/sh\n# Connect to the malicious AFP server\nafp_connect \"afp:\/\/malicious.server.com\"\n# Send malicious payload that corrupts the kernel memory\nsend_payload \"{ 'corrupt_memory': True }\"<\/code><\/pre>\n
This script makes a connection to a malicious AFP server and sends a payload designed to corrupt kernel memory<\/a>. This could potentially lead to system<\/a> instability, crashes, or data leakage.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The cybersecurity landscape is riddled with vulnerabilities that could potentially compromise systems and leak sensitive data. The CVE-2025-31246 is one such vulnerability that affects macOS systems and can lead to serious damage if not addressed promptly. This vulnerability primarily affects users connecting to a malicious Apple Filing Protocol (AFP) server, leading to kernel memory […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[77,88],"product":[95],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-40370","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apple","vendor-linux","product-linux-kernel"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t