{"id":81798,"date":"2025-10-05T15:31:30","date_gmt":"2025-10-05T15:31:30","guid":{"rendered":""},"modified":"2025-10-21T10:42:52","modified_gmt":"2025-10-21T16:42:52","slug":"cve-2025-49560-heap-based-buffer-overflow-vulnerability-in-substance3d-viewer","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49560-heap-based-buffer-overflow-vulnerability-in-substance3d-viewer\/","title":{"rendered":"<strong>CVE-2025-49560: Heap-based Buffer Overflow Vulnerability in Substance3D &#8211; Viewer<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is ever-evolving, and vulnerabilities continue to emerge. The latest in this series is the CVE-2025-49560, affecting Substance3D &#8211; Viewer versions 0.25 and earlier. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9482-critical-buffer-overflow-vulnerability-in-linksys-routers\/\"  data-wpil-monitor-id=\"88979\">vulnerability is a Heap-based Buffer Overflow<\/a> that could potentially result in arbitrary code execution in the context of the current user.<br \/>\nThis <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58437-critical-vulnerability-in-coder-s-session-handling\/\"  data-wpil-monitor-id=\"88981\">vulnerability is critical<\/a> as it exposes users to potential system compromise and data leakage, posing significant risks to personal and corporate security. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6454-authenticated-user-exploit-in-gitlab-ce-ee-through-proxy-environments\/\"  data-wpil-monitor-id=\"90739\">exploitation of this issue requires user<\/a> interaction, requiring victims to open a malicious file. As such, it is imperative that users and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58755-high-risk-vulnerability-in-monai-ai-toolkit-allowing-system-file-overwrite\/\"  data-wpil-monitor-id=\"88982\">system administrators understand this vulnerability<\/a> and apply necessary mitigations.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-49560<br \/>\nSeverity: High (CVSS score: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9364-critical-open-database-issue-resulting-in-potential-system-compromise\/\"  data-wpil-monitor-id=\"89057\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2092521453\" 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>Substance3D &#8211; Viewer | versions 0.25 and earlier<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>Heap-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9443-buffer-overflow-vulnerability-in-tenda-ch22-1-0-0-1-potentially-leads-to-system-compromise\/\"  data-wpil-monitor-id=\"89011\">Buffer Overflow vulnerabilities<\/a> typically occur when an application writes more data to a block of allocated memory (heap) than it was intended to hold. In the case of CVE-2025-49560, when a user opens a malicious file with Substance3D &#8211; Viewer, it triggers an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9481-critical-buffer-overflow-vulnerability-in-linksys-range-extenders\/\"  data-wpil-monitor-id=\"89043\">overflow of the buffer<\/a>, corrupting the heap data structure.<br \/>\nThe corrupted heap can then be manipulated by the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9712-critical-remote-code-execution-vulnerability-in-ivanti-endpoint-manager\/\"  data-wpil-monitor-id=\"89117\">execute arbitrary code<\/a>. This code runs in the context of the current user, which means if the user has administrative privileges, the attacker could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-10533-critical-vulnerability-in-firefox-and-thunderbird-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"89402\">potentially take full control of the system<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-371311104\" 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 following pseudocode gives a conceptual idea of how the vulnerability might be exploited. Here, the \u201cmalicious_file\u201d represents a file crafted in such a way to trigger the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54113-critical-heap-based-buffer-overflow-in-windows-rras\/\"  data-wpil-monitor-id=\"89182\">buffer overflow<\/a>.<\/p>\n<pre><code class=\"\" data-line=\"\"># Open the malicious file with Substance3D - Viewer\nsubstance3d_viewer.open(&quot;malicious_file&quot;)\n# The malicious file triggers a buffer overflow, corrupting the heap\n# The corrupted heap allows the attacker to execute arbitrary code\nexecute_arbitrary_code()<\/code><\/pre>\n<p>It is important to note that this is a conceptual example and actual exploit code may vary greatly. Remember, the best defense against this and similar <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-10534-critical-firefox-and-thunderbird-vulnerability-leading-to-possible-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"89444\">vulnerabilities is to keep your systems<\/a> and applications updated, apply vendor-provided patches promptly, and use security tools such as a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as temporary mitigation measures.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is ever-evolving, and vulnerabilities continue to emerge. The latest in this series is the CVE-2025-49560, affecting Substance3D &#8211; Viewer versions 0.25 and earlier. This vulnerability is a Heap-based Buffer Overflow that could potentially result in arbitrary code execution in the context of the current user. This vulnerability is critical as it [&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":[],"product":[],"attack_vector":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-81798","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/81798","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=81798"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/81798\/revisions"}],"predecessor-version":[{"id":83684,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/81798\/revisions\/83684"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=81798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=81798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=81798"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=81798"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=81798"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=81798"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=81798"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=81798"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=81798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}