Skip to main content

Libbiosig CVE-2024-21812

CRITICAL
Integer Overflow or Wraparound (CWE-190)
2024-02-20 talos-cna@cisco.com
9.8
CVSS 3.1 · Vendor: cisco
Share

Severity by source

Vendor (cisco) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (cisco) · only source for this CVE.

CVSS VectorVendor: cisco

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Feb 20, 2024 - 16:15 cve.org
CRITICAL 9.8

DescriptionCVE.org

An integer overflow vulnerability exists in the sopen_FAMOS_read functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111). A specially crafted .famos file can lead to an out-of-bounds write which in turn can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

AnalysisAI

An integer overflow vulnerability exists in the sopen_FAMOS_read functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. An integer overflow vulnerability exists in the sopen_FAMOS_read functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111). A specially crafted .famos file can lead to an out-of-bounds write which in turn can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability. Affected products include: Libbiosig Project Libbiosig, Fedoraproject Fedora.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.

CVE-2025-53518 CRITICAL POC
9.8 Aug 25

An integer overflow vulnerability exists in the ABF parsing functionality of The Biosig Project libbiosig 3.9.0 and Mast

CVE-2026-22891 CRITICAL POC
9.8 Mar 03

Heap overflow in libbiosig 3.9.2 Intan CLP parsing. PoC available.

CVE-2024-23809 CRITICAL POC
9.8 Feb 20

A double-free vulnerability exists in the BrainVision ASCII Header Parsing functionality of The Biosig Project libbiosig

CVE-2024-23606 CRITICAL POC
9.8 Feb 20

An out-of-bounds write vulnerability exists in the sopen_FAMOS_read functionality of The Biosig Project libbiosig 2.5.0

CVE-2024-23313 CRITICAL POC
9.8 Feb 20

An integer underflow vulnerability exists in the sopen_FAMOS_read functionality of The Biosig Project libbiosig 2.5.0 an

CVE-2024-23310 CRITICAL POC
9.8 Feb 20

A use-after-free vulnerability exists in the sopen_FAMOS_read functionality of The Biosig Project libbiosig 2.5.0 and Ma

CVE-2024-23305 CRITICAL POC
9.8 Feb 20

An out-of-bounds write vulnerability exists in the BrainVisionMarker Parsing functionality of The Biosig Project libbios

CVE-2024-22097 CRITICAL POC
9.8 Feb 20

A double-free vulnerability exists in the BrainVision Header Parsing functionality of The Biosig Project libbiosig Maste

CVE-2024-21795 CRITICAL POC
9.8 Feb 20

A heap-based buffer overflow vulnerability exists in the .egi parsing functionality of The Biosig Project libbiosig 2.5.

CVE-2026-20777 HIGH POC
8.1 Mar 03

Arbitrary code execution in libbiosig 3.9.2 and Master Branch can be triggered by parsing malicious Nicolet WFT files th

CVE-2025-64736 MEDIUM POC
6.1 Mar 03

An out-of-bounds read vulnerability exists in the ABF parsing functionality of The Biosig Project libbiosig 3.9.2 and Ma

CVE-2025-54494 CRITICAL POC
9.8 Aug 25

A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9

Share

CVE-2024-21812 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy