{"id":40368,"date":"2025-05-19T08:34:21","date_gmt":"2025-05-19T08:34:21","guid":{"rendered":""},"modified":"2025-06-10T11:18:53","modified_gmt":"2025-06-10T17:18:53","slug":"cve-2025-31244-file-quarantine-bypass-vulnerability-in-macos-sequoia-15-5","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-31244-file-quarantine-bypass-vulnerability-in-macos-sequoia-15-5\/","title":{"rendered":"<strong>CVE-2025-31244: File Quarantine Bypass Vulnerability in macOS Sequoia 15.5<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the ever-evolving world of cybersecurity, a newly identified vulnerability, CVE-2025-31244, has emerged. This vulnerability pertains to macOS Sequoia 15.5 and involves a file quarantine bypass that could potentially enable an app to break out of its sandbox, thereby compromising the system or leading to data leakage. Given the widespread use of macOS in both personal and professional settings, this <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=\"45191\">vulnerability presents a serious challenge to data security and system<\/a> integrity across a broad spectrum of users and organizations.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-31244<br \/>\nSeverity: High (CVSS 8.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <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=\"47657\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2645673936\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p><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=\"56997\">macOS | Sequoia<\/a> 15.5<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45997-exploiting-file-upload-vulnerability-in-web-based-pharmacy-product-management-system\/\"  data-wpil-monitor-id=\"56998\">exploit revolves around a file<\/a> quarantine bypass in macOS Sequoia 15.5. The quarantine attribute in <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-32366-arbitrary-code-execution-vulnerability-in-macos-ios-and-ipados\/\"  data-wpil-monitor-id=\"48210\">macOS is designed to prevent users from inadvertently executing<\/a> potentially unsafe files downloaded from the internet. However, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45611-authentication-bypass-vulnerability-in-hope-boot-v1-0-0\/\"  data-wpil-monitor-id=\"45256\">vulnerability allows an app to bypass<\/a> the quarantine checks, thus evading the restrictions imposed by the sandbox. When successfully exploited, an application could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3876-privilege-escalation-vulnerability-in-woocommerce-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"45866\">escalate its privileges<\/a>, break out of its sandbox, and potentially compromise the system or leak data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-362639303\" 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>While the exact exploit method is undisclosed to prevent malicious use, a conceptual example might involve an application manipulating system calls to ignore or remove the quarantine attribute, thereby <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27700-critical-bypass-of-carrier-restrictions-vulnerability\/\"  data-wpil-monitor-id=\"56153\">bypassing the sandbox restrictions<\/a>. This could be represented in pseudocode as follows:<\/p>\n<pre><code class=\"\" data-line=\"\">def exploit():\nfile = get_quarantined_file()\nif bypass_quarantine_check(file):\nexecute_malicious_code(file)\ndef bypass_quarantine_check(file):\n# Pseudo function to manipulate system call\nmanipulate_system_call(&quot;remove_quarantine&quot;, file)\nreturn True<\/code><\/pre>\n<p>In the above example, the `bypass_quarantine_check()` function represents a manipulation of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-20653-microsoft-common-log-file-system-elevation-of-privilege-vulnerability\/\"  data-wpil-monitor-id=\"47656\">system call to remove the quarantine attribute from the file<\/a>. The `exploit()` function then <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46193-remote-code-execution-vulnerability-in-sourcecodester-client-database-management-system-1-0\/\"  data-wpil-monitor-id=\"45303\">executes the malicious code<\/a> within the now unquarantined file.<\/p>\n<p><strong>Recommendations<\/strong><\/p>\n<p>It is highly recommended to apply the vendor patch as soon as it is available, as this would effectively mitigate the vulnerability. In the interim, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can help mitigate the risk. Regular monitoring of system logs and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31214-a-critical-network-traffic-interception-vulnerability-in-ios-and-ipados\/\"  data-wpil-monitor-id=\"47693\">network traffic<\/a> is also advised to detect any unusual or suspicious activity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the ever-evolving world of cybersecurity, a newly identified vulnerability, CVE-2025-31244, has emerged. This vulnerability pertains to macOS Sequoia 15.5 and involves a file quarantine bypass that could potentially enable an app to break out of its sandbox, thereby compromising the system or leading to data leakage. Given the widespread use of macOS in [&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],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-40368","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apple"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/40368","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=40368"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/40368\/revisions"}],"predecessor-version":[{"id":50883,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/40368\/revisions\/50883"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=40368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=40368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=40368"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=40368"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=40368"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=40368"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=40368"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=40368"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=40368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}