Biosig libbiosig 2.5.0 Famos File sopen_FAMOS_read integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability marked as very critical has been reported in Biosig libbiosig 2.5.0. This affects the function sopen_FAMOS_read of the component Famos File Handler. Performing a manipulation results in integer overflow. This vulnerability was named CVE-2024-21812. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as very critical has been found in Biosig libbiosig 2.5.0. This affects the function sopen_FAMOS_read of the component Famos File Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented 02/20/2024 as TALOS-2024-1921. It is possible to read the advisory at talosintelligence.com. This vulnerability is uniquely identified as CVE-2024-21812 since 01/23/2024. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/11/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-19424). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (Talos): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/23/2024 🔍
02/20/2024 +28 days 🔍
02/20/2024 +0 days 🔍
08/11/2025 +537 days 🔍

Sourcesinfo

Advisory: TALOS-2024-1921
Status: Not defined

CVE: CVE-2024-21812 (🔍)
GCVE (CVE): GCVE-0-2024-21812
GCVE (VulDB): GCVE-100-254223
EUVD: 🔍

Entryinfo

Created: 02/20/2024 18:03
Updated: 08/11/2025 01:12
Changes: 02/20/2024 18:03 (49), 01/21/2025 20:46 (16), 08/11/2025 01:12 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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