Vulnerability Information
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Vulnerability Title
Denial of Service (DoS)
Vulnerability Description
All versions of package opcua; all versions of package asyncua are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
N/A
Vulnerability Title
python-opcua 安全漏洞
Vulnerability Description
python-opcua是Free OPC-UA Library开源的一个 LGPL 纯 Python OPC-UA 客户端和服务器。 python-opcua 存在安全漏洞，该漏洞源于缺少对接收块数量的限制（每个会话或所有并发会话的总数）。
CVSS Information
N/A
Vulnerability Type
N/A