CVE-2024-21795CWE-122

A heap-based buffer overflow vulnerability exists in the .egi parsing functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111)

Critical · published February 20, 2024

CVSS v3.1
9.8
EPSS
2%
Percentile
78.2
In the wild
Unconfirmed
What it is

🔥 A heap-based buffer overflow in libbiosig can let attackers execute arbitrary code just by feeding it a malicious .egi file! 🚨 Think of it like a factory that processes special requests. If someone sneaks in a faulty order, the whole assembly line could go haywire, churning out defective products that can do anything from causing chaos to taking over the factory! If exploited, this vulnerability could allow an attacker to run any code they want on the affected system, leading to absolute chaos. Imagine giving someone the keys to your entire operation, allowing them to steal data or take control of sensitive systems. It's a digital nightmare!

Put simply

Think of it like a factory that processes special requests. If someone sneaks in a faulty order, the whole assembly line could go haywire, churning out defective products that can do anything from causing chaos to taking over the factory! This vulnerability allows for a heap-based buffer overflow due to insufficient validation of .egi files when parsed. By crafting a malicious file, an attacker can manipulate memory allocation and execute arbitrary code on the target system.

What to do

If exploited, this vulnerability could allow an attacker to run any code they want on the affected system, leading to absolute chaos. Imagine giving someone the keys to your entire operation, allowing them to steal data or take control of sensitive systems. It's a digital nightmare! Immediately patch to version 2.5.1 or later to close this hole. Regularly audit any .egi files that might come into your system and ensure you have proper validation mechanisms in place. Don’t skip this step—your data depends on it! You've got this! With a quick update and some careful file-handling practices, you can keep your systems safe and sound. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01791 · 78.2th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2024-02-20T15:29Z
EPSS history
Timeline
  • 20 FEB 15:29Z
    A heap-based buffer overflow vulnerability exists in the .egi parsing functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111)
    cvelistv5