Unified Automation UaGateway prior 1.5.13 Certificate Parser denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Unified Automation UaGateway. The affected element is an unknown function of the component Certificate Parser. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2023-41185. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Unified Automation UaGateway (Automation Software). This affects an unknown code of the component Certificate Parser. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Unified Automation UaGateway Certificate Parsing Integer Overflow Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of client certificates. When parsing the certificate length field, the process does not properly validate user-supplied data, which can result in an integer overflow. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20353.

The weakness was released 08/31/2023 as ZDI-23-1286. It is possible to read the advisory at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2023-41185 since 08/24/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 1.5.13 eliminates this vulnerability. The upgrade is hosted for download at unified-automation.com.

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

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 8.6
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: UaGateway 1.5.13

Timelineinfo

08/24/2023 🔍
08/31/2023 +7 days 🔍
08/31/2023 +0 days 🔍
08/08/2025 +708 days 🔍

Sourcesinfo

Advisory: ZDI-23-1286
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-41185 (🔍)
GCVE (CVE): GCVE-0-2023-41185
GCVE (VulDB): GCVE-100-238431

Entryinfo

Created: 08/31/2023 07:52
Updated: 08/08/2025 23:50
Changes: 08/31/2023 07:52 (23), 08/31/2023 07:53 (19), 08/08/2025 23:50 (37)
Complete: 🔍
Cache ID: 216::103

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