{"id":59910,"date":"2025-08-06T03:04:58","date_gmt":"2025-08-06T03:04:58","guid":{"rendered":""},"modified":"2025-10-02T00:14:34","modified_gmt":"2025-10-02T06:14:34","slug":"cve-2025-43273-sandbox-restriction-bypass-vulnerability-in-macos-sequoia","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-43273-sandbox-restriction-bypass-vulnerability-in-macos-sequoia\/","title":{"rendered":"<strong>CVE-2025-43273: Sandbox Restriction Bypass Vulnerability in macOS Sequoia<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity world is once again set abuzz with the discovery of a new vulnerability, CVE-2025-43273, that affects the macOS Sequoia 15.6 operating system. This vulnerability, stemming from a permissions issue, allows a sandboxed process to potentially bypass sandbox restrictions, leading to potential system compromise or data leakage. Considering the widespread usage of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43253-arbitrary-binary-launch-vulnerability-in-macos-sequoia-and-sonoma\/\"  data-wpil-monitor-id=\"69499\">macOS Sequoia<\/a> across various industries and the severity of the potential impact, understanding and mitigating this vulnerability is of paramount importance.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-43273<br \/>\nSeverity: Critical (9.1 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31278-memory-corruption-vulnerability-with-potential-system-compromise\/\"  data-wpil-monitor-id=\"70405\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2559880214\" 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>macOS Sequoia | 15.6<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability CVE-2025-43273 arises from a flaw in the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43237-critical-out-of-bounds-write-vulnerability-in-macos-sequoia\/\"  data-wpil-monitor-id=\"69467\">sandbox implementation of macOS<\/a> Sequoia 15.6. A sandbox is a secure environment that isolates running processes to limit the resources they can access. However, due to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43232-critical-permissions-issue-allowing-app-to-bypass-privacy-preferences-in-macos\/\"  data-wpil-monitor-id=\"69090\">permissions issue<\/a> in this version of the OS, a malicious process running within the sandbox can circumvent these restrictions. It can potentially gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49747-unauthorized-privilege-elevation-in-azure-machine-learning\/\"  data-wpil-monitor-id=\"68753\">unauthorized access to system resources or even execute privileged<\/a> operations, leading to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4230587179\" 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>Here is a conceptual example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7097-critical-command-injection-vulnerability-in-comodo-internet-security-premium\/\"  data-wpil-monitor-id=\"68754\">vulnerability might be exploited using a shell command:<\/a><\/p>\n<pre><code class=\"\" data-line=\"\"># Exploit starts a process inside the sandbox\n$ sandbox-exec -n no-network \/bin\/bash\n# Malicious process attempts to access restricted resource\n$ echo &quot;malicious_payload&quot; &gt; \/restricted\/resource<\/code><\/pre>\n<p>In this example, the exploit starts a process in the sandbox using the `sandbox-exec` command. The exploit then attempts to write a &#8220;malicious_payload&#8221; to a restricted resource. If the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54143-sandboxed-iframes-bypassing-restrictions-in-firefox-for-ios\/\"  data-wpil-monitor-id=\"78714\">sandbox restrictions<\/a> are functioning correctly, this operation should fail. However, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8028-critical-vulnerability-in-firefox-and-thunderbird-due-to-incorrect-computation-of-branch-address\/\"  data-wpil-monitor-id=\"73839\">due to the vulnerability<\/a>, the operation succeeds, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Recommended Mitigations<\/strong><\/p>\n<p>Users are advised to immediately apply the vendor patch to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58280-object-heap-address-exposure-vulnerability-in-ark-ets\/\"  data-wpil-monitor-id=\"87266\">address this vulnerability<\/a>. In cases where immediate patching is not possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. However, these are not long-term solutions and can only minimize the risk of exploitation. They do not address the underlying vulnerability. Therefore, applying the vendor patch is the best course of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7734-critical-gitlab-ce-ee-vulnerability-allows-unauthorized-actions-by-attackers\/\"  data-wpil-monitor-id=\"79522\">action to completely mitigate this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity world is once again set abuzz with the discovery of a new vulnerability, CVE-2025-43273, that affects the macOS Sequoia 15.6 operating system. This vulnerability, stemming from a permissions issue, allows a sandboxed process to potentially bypass sandbox restrictions, leading to potential system compromise or data leakage. Considering the widespread usage of macOS [&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-59910","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\/59910","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=59910"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59910\/revisions"}],"predecessor-version":[{"id":80109,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59910\/revisions\/80109"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59910"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59910"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59910"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59910"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59910"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59910"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}