Products
Unified Automation UaGateway OPC UA Server
Source
zdi-disclosures@trendmicro.com
Tags
CVE-2023-32170 details
Last Modified : May 3, 2024, 12:50 p.m.
Description
Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. User interaction is required to exploit this vulnerability in that the target must choose to accept a client certificate. The specific flaw exists within the processing of client certificates. The issue results from the lack of proper validation of certificate data. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20494.
CVSS Score
| 1 | 2 | 3 | 4 | 5 | 6.5 | 7 | 8 | 9 | 10 |
|---|
Weakness
| Weakness | Name | Description |
|---|
CVSS Data
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Base Score
6.5
Exploitability Score
Impact Score
Base Severity
MEDIUM
Vector String : CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
| URL | Source |
|---|---|
| https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt | zdi-disclosures@trendmicro.com |
| https://www.zerodayinitiative.com/advisories/ZDI-23-775/ | zdi-disclosures@trendmicro.com |