Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 25.8%
CVSS Severity
CVSS v3 Score 7.5
References
- https://github.com/FreeOpcUa/python-opcua/issues/1466
- https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-2988731
- https://security.snyk.io/vuln/SNYK-PYTHON-OPCUA-2988730
- https://github.com/FreeOpcUa/python-opcua/issues/1466
- https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-2988731
- https://security.snyk.io/vuln/SNYK-PYTHON-OPCUA-2988730
Products affected by CVE-2022-25304
-
cpe:2.3:a:asyncua_project:asyncua:*
-
cpe:2.3:a:opcua_project:opcua:*