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cvelistZdiCVELIST:CVE-2023-32170
HistoryMay 03, 2024 - 1:56 a.m.

CVE-2023-32170 Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability

2024-05-0301:56:47
CWE-20
zdi
www.cve.org
9
input validation
remote attackers
denial-of-service
unified automation uagateway
client certificates

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

16.2%

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.

CNA Affected

[
  {
    "vendor": "Unified Automation",
    "product": "UaGateway",
    "versions": [
      {
        "version": "1.5.12.482",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

16.2%

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