CVE-2022-25304

CVSS V2 None CVSS V3 High 7.5

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.

Overview

CVE ID
CVE-2022-25304

Assigner
report@snyk.io

Vulnerability Status
Analyzed

Published Version
2022-08-23T05:15:07

Last Modified Date
2022-09-06T17:48:56

Weakness Enumerations

CWE	URL
CWE-770	http://cwe.mitre.org/data/definitions/770.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:asyncua_project:asyncua::::::python::*	1	OR
cpe:2.3:a:opcua_project:opcua::::::python::*	1	OR

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
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

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-25304
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25304

History

Created	Old Value	New Value	Data Type	Notes
2022-08-23 07:00:05				Added to TrackCVE