STMicroelectronics X-CUBE-AZRT-H7RS 1.0.0 NetX Duo Web Component HTTP Server nx_web_http_server.c integer underflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in STMicroelectronics X-CUBE-AZRT-H7RS, X-CUBE-AZRTOS-F4, X-CUBE-AZRTOS-F7, X-CUBE-AZRTOS-G0, X-CUBE-AZRTOS-G4, X-CUBE-AZRTOS-H7, X-CUBE-AZRTOS-L4, X-CUBE-AZRTOS-L5, X-CUBE-AZRTOS-WB and X-CUBE-AZRTOS-WL 1.0.0 and classified as problematic. This vulnerability affects unknown code of the file x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\web\nx_web_http_server.c of the component NetX Duo Web Component HTTP Server. Such manipulation leads to integer underflow. This vulnerability is referenced as CVE-2024-50596. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in STMicroelectronics X-CUBE-AZRT-H7RS, X-CUBE-AZRTOS-F4, X-CUBE-AZRTOS-F7, X-CUBE-AZRTOS-G0, X-CUBE-AZRTOS-G4, X-CUBE-AZRTOS-H7, X-CUBE-AZRTOS-L4, X-CUBE-AZRTOS-L5, X-CUBE-AZRTOS-WB and X-CUBE-AZRTOS-WL 1.0.0. It has been rated as problematic. Affected by this issue is an unknown code of the file x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\web\nx_web_http_server.c of the component NetX Duo Web Component HTTP Server. The manipulation with an unknown input leads to a integer underflow vulnerability. Using CWE to declare the problem leads to CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. Impacted is availability. CVE summarizes:

An integer underflow vulnerability exists in the HTTP server PUT request functionality of STMicroelectronics X-CUBE-AZRTOS-WL 2.0.0. A specially crafted network packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability affects the NetX Duo Web Component HTTP Server implementation which can be found in x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\web\nx_web_http_server.c

The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2024-50596 since 10/25/2024. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/05/2025).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.3
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 underflow
CWE: CWE-191 / 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

10/25/2024 🔍
04/02/2025 +159 days 🔍
04/02/2025 +0 days 🔍
09/05/2025 +156 days 🔍

Sourcesinfo

Advisory: TALOS-2024-2103
Status: Not defined

CVE: CVE-2024-50596 (🔍)
GCVE (CVE): GCVE-0-2024-50596
GCVE (VulDB): GCVE-100-303020

Entryinfo

Created: 04/02/2025 16:09
Updated: 09/05/2025 20:27
Changes: 04/02/2025 16:09 (63), 09/05/2025 20:27 (12)
Complete: 🔍
Cache ID: 216::103

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