Логотип exploitDog
Консоль
Логотип exploitDog

exploitDog

github логотип

GHSA-5xp2-x7qr-wjrx

Опубликовано: 29 мар. 2023
Источник: github
Github: Не прошло ревью
CVSS3: 7.5

Описание

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.

EPSS

Процентиль: 78%
0.01095
Низкий

7.5 High

CVSS3

Дефекты

CWE-911

Связанные уязвимости

CVSS3: 7.5
nvd
почти 3 года назад

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.

EPSS

Процентиль: 78%
0.01095
Низкий

7.5 High

CVSS3

Дефекты

CWE-911