CVE-2022-25304

2022-08-2305:15:07

CWE-770

[email protected]

web.nvd.nist.gov

denial of service

vulnerability

package opcua

package asyncua

cve-2022-25304

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

46.6%

JSON

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.

Affected configurations

Nvd

Node

asyncua_projectasyncuapython

opcua_projectopcuapython

VendorProductVersionCPE
asyncua_projectasyncua*cpe:2.3:a:asyncua_project:asyncua:*:*:*:*:*:python:*:*
opcua_projectopcua*cpe:2.3:a:opcua_project:opcua:*:*:*:*:*:python:*:*