{"id":59368,"date":"2025-07-14T05:00:40","date_gmt":"2025-07-14T05:00:40","guid":{"rendered":""},"modified":"2025-10-03T12:32:39","modified_gmt":"2025-10-03T18:32:39","slug":"cve-2024-25176-high-severity-stack-buffer-overflow-vulnerability-in-luajit","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-25176-high-severity-stack-buffer-overflow-vulnerability-in-luajit\/","title":{"rendered":"<strong>CVE-2024-25176: High Severity Stack-Buffer-Overflow Vulnerability in LuaJIT<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The purpose of this blog post is to draw attention to a critical vulnerability identified in LuaJIT, a Just-In-Time Compiler for Lua programming language. This vulnerability, tagged as CVE-2024-25176, could potentially lead to a system compromise or data leakage if exploited. It is relevant to all developers, system administrators, and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50738-memos-application-vulnerability-allows-for-unauthorized-user-information-disclosure\/\"  data-wpil-monitor-id=\"74842\">users who are running applications<\/a> developed with LuaJIT up to version 2.1. With a severity score of 9.8, this is a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46835-high-risk-vulnerability-in-git-gui-allows-unauthorized-file-overwrite\/\"  data-wpil-monitor-id=\"67410\">high-risk vulnerability<\/a> that demands immediate attention.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2024-25176<br \/>\nSeverity: Critical, CVSS score: 9.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27050-memory-corruption-vulnerability-leading-to-potential-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"74841\">Potential system compromise and data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3017593785\" 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>LuaJIT | Up to 2.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This exploit takes advantage of a stack-buffer-overflow in the lj_strfmt_wfnum function located in the lj_strfmt_num.c file of the LuaJIT platform. An attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8159-critical-remote-buffer-overflow-vulnerability-in-d-link-dir-513-1-0\/\"  data-wpil-monitor-id=\"67408\">overflow the buffer<\/a> by supplying it with more data than it can handle, causing the stack to overflow and overwrite adjacent memory areas. This can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54444-unrestricted-file-upload-leading-to-code-injection-in-samsung-electronics-magicinfo-9-server\/\"  data-wpil-monitor-id=\"67409\">lead to arbitrary code<\/a> execution, giving the attacker the ability to compromise the system or leak sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3937049079\" 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&#8217;s a theoretical example of how the vulnerability might be exploited. In this case, the attacker crafts a special Lua script that when executed, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49672-buffer-overflow-vulnerability-in-windows-routing-and-remote-access-service\/\"  data-wpil-monitor-id=\"67794\">overflows the buffer<\/a> in the lj_strfmt_wfnum function.<\/p>\n<pre><code class=\"\" data-line=\"\">-- Sample Lua script to exploit the vulnerability\nlocal exploit = string.rep(&quot;A&quot;, 5000) -- Creates a string with 5000 &quot;A&quot;, enough to overflow the buffer\nlocal result = string.format(&quot;%f&quot;, exploit) -- Calls the vulnerable function with the overflowing string<\/code><\/pre>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The most effective mitigation for this vulnerability is to apply the latest patch from the vendor. If this is not immediately possible, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary measure to detect and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-7457-macos-authorization-model-exploit-leading-to-potential-mitm-attacks\/\"  data-wpil-monitor-id=\"80076\">potential exploitation<\/a> attempts. However, these measures will not completely eliminate the vulnerability, so applying the vendor&#8217;s patch should be the ultimate goal.<br \/>\nIt&#8217;s important to note that <a href=\"https:\/\/www.ameeba.com\/blog\/introducing-the-ameeba-cybersecurity-group-chat\/\"  data-wpil-monitor-id=\"88441\">cybersecurity<\/a> is an ongoing process. Regular software updates, continuous monitoring, and prompt response to identified <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7096-critical-vulnerability-in-comodo-internet-security-premium-12-3-4-8162\/\"  data-wpil-monitor-id=\"67411\">vulnerabilities are vital to ensuring the security<\/a> of your systems.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The purpose of this blog post is to draw attention to a critical vulnerability identified in LuaJIT, a Just-In-Time Compiler for Lua programming language. This vulnerability, tagged as CVE-2024-25176, could potentially lead to a system compromise or data leakage if exploited. It is relevant to all developers, system administrators, and users who are running [&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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59368","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59368","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=59368"}],"version-history":[{"count":5,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59368\/revisions"}],"predecessor-version":[{"id":81251,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59368\/revisions\/81251"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59368"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59368"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59368"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59368"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59368"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59368"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}