{"id":68127,"date":"2025-08-30T14:04:15","date_gmt":"2025-08-30T14:04:15","guid":{"rendered":""},"modified":"2025-09-16T11:54:51","modified_gmt":"2025-09-16T17:54:51","slug":"cve-2025-54483-stack-based-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-54483-stack-based-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/","title":{"rendered":"<strong>CVE-2025-54483: Stack-Based Buffer Overflow Vulnerability in The Biosig Project libbiosig 3.9.0<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-54483 is a severe cybersecurity vulnerability that affects The Biosig Project libbiosig version 3.9.0 and the Master Branch (35a819fa). The vulnerability lies in the MFER parsing functionality, more specifically, a stack-based buffer overflow vulnerability exists that can lead to arbitrary code execution. Given the ubiquity of this software in the field of biomedical signal processing, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40741-stack-based-overflow-vulnerability-in-solid-edge-se2025-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"75733\">vulnerability could potentially compromise a large number of systems<\/a>, leading to data leakage and unauthorized system access.<br \/>\nThis <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8011-high-severity-heap-corruption-vulnerability-in-google-chrome-v8\/\"  data-wpil-monitor-id=\"75628\">vulnerability is of particular concern due to its severity<\/a> score of 9.8 out of 10 on the CVSS scale, implying that it is extremely dangerous. Exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20253-critical-vulnerability-in-ikev2-feature-of-cisco-software-could-lead-to-denial-of-service-dos-attack\/\"  data-wpil-monitor-id=\"76185\">vulnerability could lead<\/a> to the execution of malicious code, potentially compromising the integrity, confidentiality, and availability of affected systems.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-54483<br \/>\nSeverity: Critical (9.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30404-integer-overflow-vulnerability-in-executorch-resulting-in-potential-system-compromise\/\"  data-wpil-monitor-id=\"75947\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2163757845\" 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>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54480-critical-stack-based-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/\"  data-wpil-monitor-id=\"83205\">Biosig Project libbiosig<\/a> | 3.9.0<br \/>\nThe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53557-critical-heap-based-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig\/\"  data-wpil-monitor-id=\"83230\">Biosig Project<\/a> Master Branch | 35a819fa<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44952-buffer-overflow-vulnerability-in-pfcp-library-of-open5gs-due-to-missing-length-check\/\"  data-wpil-monitor-id=\"78371\">vulnerability arises due<\/a> to insufficient bounds checking when parsing MFER files. When the tag of the parsed file is &#8216;5&#8217;, signifying the number of channels, a malicious actor could craft an MFER file with a length greater than 4. This triggers a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41388-stack-based-buffer-overflow-vulnerability-in-fuji-electric-smart-editor\/\"  data-wpil-monitor-id=\"75720\">buffer overflow<\/a>, allowing the attacker to overwrite the stack with arbitrary code. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27577-arbitrary-code-execution-in-openharmony-via-race-condition-vulnerability\/\"  data-wpil-monitor-id=\"76242\">code could then be executed<\/a>, potentially allowing the attacker to take control of the system or exfiltrate sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-927457449\" 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 method of exploitation would depend on the specifics of the attacker&#8217;s environment and the targeted system, a conceptual example might look something like this:<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;stdio.h&gt;\n#include &lt;string.h&gt;\nvoid malicious_func() {\n\/\/ Malicious code here\nprintf(&quot;System Compromised!\\n&quot;);\n}\nvoid vulnerable_func(char *input) {\nchar buffer[4];\nstrcpy(buffer, input);  \/\/ No bounds checking\n}\nint main(int argc, char **argv) {\nchar exploit[8];\n\/\/ Fill exploit with address of malicious_func\nfor (int i=0; i&lt;8; i++)\nexploit[i] = (char)((int)(&amp;malicious_func) &gt;&gt; (i*8));\nvulnerable_func(exploit);\nreturn 0;\n}<\/code><\/pre>\n<p>In this example, if the crafted MFER file is provided as input, the `vulnerable_func` function would <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9007-critical-buffer-overflow-vulnerability-in-tenda-ch22-1-0-0-1\/\"  data-wpil-monitor-id=\"76538\">overflow its buffer<\/a> and overwrite the return address with the address of `malicious_func`, resulting in the execution of the malicious function.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-54483 is a severe cybersecurity vulnerability that affects The Biosig Project libbiosig version 3.9.0 and the Master Branch (35a819fa). The vulnerability lies in the MFER parsing functionality, more specifically, a stack-based buffer overflow vulnerability exists that can lead to arbitrary code execution. Given the ubiquity of this software in the field of biomedical signal [&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-68127","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\/68127","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=68127"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/68127\/revisions"}],"predecessor-version":[{"id":75772,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/68127\/revisions\/75772"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=68127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=68127"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=68127"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=68127"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=68127"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=68127"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=68127"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=68127"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=68127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}