{"id":71655,"date":"2025-09-05T19:56:31","date_gmt":"2025-09-05T19:56:31","guid":{"rendered":""},"modified":"2025-09-16T11:36:43","modified_gmt":"2025-09-16T17:36:43","slug":"cve-2025-52461-information-leak-vulnerability-in-the-biosig-project-libbiosig-3-9-0","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-52461-information-leak-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/","title":{"rendered":"CVE-2025-52461: Information Leak Vulnerability in The Biosig Project libbiosig 3.9.0<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The Biosig Project libbiosig 3.9.0, a popular library for processing biomedical signal data, has been discovered to contain a serious out-of-bounds read vulnerability. Labeled as CVE-2025-52461, this flaw can potentially lead to system compromise and data leakage, posing a significant risk to any organization using the affected versions of the software. This vulnerability is particularly concerning due to the critical<\/a> nature of the data typically processed by Biosig, which often includes sensitive healthcare information.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-52461
\nSeverity: High (CVSS: 8.2)
\nAttack Vector: Local
\nPrivileges Required: Low
\nUser Interaction: Required
\nImpact: Potential system compromise and data<\/a> leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

The Biosig Project libbiosig<\/a> | 3.9.0 and Master Branch (35a819fa)<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability lies within the Nex parsing functionality of the Biosig<\/a> software. An attacker who can convince a user to open a specially crafted .nex file can cause an out-of-bounds read<\/a> error. This error can lead<\/a> to the leakage of sensitive information which might include user credentials, private keys, or other confidential data. If an attacker gains access to such information, they could potentially compromise the system<\/a> or network where the software is operating.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

In this hypothetical scenario, an attacker might craft a malicious .nex file that takes advantage of the vulnerability<\/a>. When this file is opened using the affected version of libbiosig, it could trigger the out-of-bounds read, leaking sensitive information<\/a>.<\/p>\n

# Attacker crafts a malicious .nex file\n$ echo \"malicious content\" > exploit.nex\n# User is tricked into opening the file with libbiosig\n$ libbiosig parse exploit.nex<\/code><\/pre>\n
Please note that this is a conceptual representation and may not accurately reflect the technical specifics of the exploit.<\/p>\n
Mitigation<\/strong><\/p>\n
Users are advised to apply the vendor’s patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary mitigation. These measures can help detect and block attempts to exploit this vulnerability<\/a>, providing a layer of defense while a more permanent solution is implemented.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The Biosig Project libbiosig 3.9.0, a popular library for processing biomedical signal data, has been discovered to contain a serious out-of-bounds read vulnerability. Labeled as CVE-2025-52461, this flaw can potentially lead to system compromise and data leakage, posing a significant risk to any organization using the affected versions of the software. This vulnerability is […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-71655","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t