CVE Vulnerability

CVE-2022-25304

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.

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://security.snyk.io/vuln/SNYK-PYTHON-OPCUA-2988730 Third Party Advisory
https://github.com/FreeOpcUa/python-opcua/issues/1466 Issue Tracking Third Party Advisory
https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-2988731 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:asyncua_project:asyncua:*:*:*:*:*:python:*:*
cpe:2.3:a:opcua_project:opcua:*:*:*:*:*:python:*:*
Information

Published : 2022-08-23 05:15

Updated : 2022-09-06 05:48

NVD link : CVE-2022-25304

Mitre link : CVE-2022-25304

Products Affected
No products.
CWE
CWE-835