Moxa EDR-810/EDR G902/EDR G903 URI Validator buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Moxa EDR-810, EDR G902 and EDR G903. The impacted element is an unknown function of the component URI Validator. The manipulation results in buffer overflow. This vulnerability was named CVE-2023-4452. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in Moxa EDR-810, EDR G902 and EDR G903 (Automation Software) (affected version not known). Affected is some unknown functionality of the component URI Validator. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in the EDR-810, EDR-G902, and EDR-G903 Series, making them vulnerable to the denial-of-service vulnerability. This vulnerability stems from insufficient input validation in the URI, potentially enabling malicious users to trigger the device reboot.

The weakness was presented 11/01/2023 by Zhiyuan Chen. The advisory is available at moxa.com. This vulnerability is traded as CVE-2023-4452 since 08/21/2023. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/29/2023).

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Moxa Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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

08/21/2023 🔍
11/01/2023 +72 days 🔍
11/01/2023 +0 days 🔍
11/29/2023 +28 days 🔍

Sourcesinfo

Vendor: moxa.com

Advisory: moxa.com
Researcher: Zhiyuan Chen
Status: Confirmed

CVE: CVE-2023-4452 (🔍)
GCVE (CVE): GCVE-0-2023-4452
GCVE (VulDB): GCVE-100-244218

Entryinfo

Created: 11/01/2023 16:43
Updated: 11/29/2023 14:21
Changes: 11/01/2023 16:43 (49), 11/29/2023 14:21 (11)
Complete: 🔍
Cache ID: 216::103

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