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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2022-08-23 05:15

Updated : 2022-09-06 17:48

NVD link : CVE-2022-25304

Mitre link : CVE-2022-25304

CVE.ORG link : CVE-2022-25304

JSON object : View

Products Affected

opcua_project

opcua

asyncua_project

asyncua

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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