{"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":"<strong>CVE-2025-31246: Kernel Memory Corruption in macOS via Malicious AFP Server<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4403-arbitrary-file-upload-vulnerability-in-drag-and-drop-multiple-file-upload-for-woocommerce-plugin\/\"  data-wpil-monitor-id=\"45246\">vulnerability primarily affects users connecting to a malicious Apple Filing<\/a> Protocol (AFP) server, leading to kernel memory corruption. It is a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46188-high-risk-sql-injection-vulnerability-in-sourcecodester-client-database-management-system-1-0\/\"  data-wpil-monitor-id=\"45205\">high-risk vulnerability<\/a>, underscored by its CVSS severity score of 8.8, and poses a significant threat to macOS users globally.<br \/>\nThis <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20182-critical-vulnerability-in-cisco-device-software-allows-dos-attacks\/\"  data-wpil-monitor-id=\"46260\">vulnerability is especially dangerous because it could allow<\/a> cybercriminals to compromise systems or leak data potentially. It is therefore essential for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-47915-kernel-privilege-escalation-vulnerability-in-macos-ventura-13\/\"  data-wpil-monitor-id=\"47768\">macOS users to understand the nature of this vulnerability<\/a> and take necessary steps to mitigate its risks.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-31246<br \/>\nSeverity: High (8.8 CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4\/\"  data-wpil-monitor-id=\"57008\">System compromise or data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3950236861\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31244-file-quarantine-bypass-vulnerability-in-macos-sequoia-15-5\/\"  data-wpil-monitor-id=\"47851\">macOS Sequoia<\/a> | Up to 15.4<br \/>\n<a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42826-arbitrary-code-execution-vulnerability-in-macos-sonoma-14\/\"  data-wpil-monitor-id=\"51607\">macOS Sonoma<\/a> | Up to 14.7.5<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of a flaw in the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24223-memory-corruption-vulnerability-in-various-operating-systems-and-safari-browser\/\"  data-wpil-monitor-id=\"47378\">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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31234-input-sanitization-flaw-leading-to-system-termination-and-kernel-memory-corruption\/\"  data-wpil-monitor-id=\"47858\">kernel memory<\/a> under certain conditions, leading to corruption. An attacker could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27891-samsung-mobile-and-wearable-processors-vulnerability-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"49933\">potentially use this flaw to cause unpredictable system<\/a> behavior, including system crashes, data leakage, or even complete system compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2459126754\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>The below pseudocode demonstrates a conceptual example of how the vulnerability might be exploited. In this case, the malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30377-code-execution-vulnerability-in-microsoft-office-via-use-after-free\/\"  data-wpil-monitor-id=\"49932\">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<pre><code class=\"\" data-line=\"\">#!\/bin\/sh\n# Connect to the malicious AFP server\nafp_connect &quot;afp:\/\/malicious.server.com&quot;\n# Send malicious payload that corrupts the kernel memory\nsend_payload &quot;{ &#039;corrupt_memory&#039;: True }&quot;<\/code><\/pre>\n<p>This script makes a connection to a malicious AFP server and sends a payload designed to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31204-memory-corruption-vulnerability-in-multiple-apple-operating-systems\/\"  data-wpil-monitor-id=\"46790\">corrupt kernel memory<\/a>. This could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-34333-critical-vulnerability-in-ami-s-spx-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"47769\">potentially lead to system<\/a> instability, crashes, or data leakage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>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 [&hellip;]<\/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,"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":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/40370","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=40370"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/40370\/revisions"}],"predecessor-version":[{"id":50893,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/40370\/revisions\/50893"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=40370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=40370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=40370"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=40370"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=40370"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=40370"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=40370"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=40370"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=40370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}