Insufficient Nonce Validation in Eclipse Milo Client

높음 7.4CVE-2019-19135 · GHSA-pq4w-qm9g-qx68 · Published 16/03/2020 · updated 17/06/2026

요약

CVE-2019-19135은(는) org.eclipse.milo:sdk-client, netstandard.opc.ua (opcfoundation), ua-.netstandard (opcfoundation)에 영향을 주는 높음 (CVSS 7.4) 취약점입니다.
향후 30일 내 악용 확률(EPSS): 1.0%, 전체 취약점의 64.1%보다 높음.
조치: 0.3.6, 1.4.359.31 이상으로 업데이트하세요.

Package	Affected versions	Patched versions
org.eclipse.milo:sdk-client Maven	`< 0.3.6`	`0.3.6`
netstandard.opc.ua opcfoundation	`< 1.4.359.31`	`1.4.359.31`
ua-.netstandard opcfoundation	`= 1.4.357.28`	No fix yet

Description

Impact

Credential replay affecting those connected to a server when all 3 of the following conditions are met:

SecurityPolicy is None
using username/password or X509-based authentication
the server has a defect causing it to send null/empty or zeroed nonces

Patches

The problem has been patched in version 0.3.6. A more relaxed treatment of validation as agreed upon by the OPC UA Security Working Group is implemented in version 0.3.7.

Workarounds

Do not use username/password or X509-based authentication with SecurityPolicy of None.

References

https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2019-19135.pdf

For more information

If you have any questions or comments about this advisory:

Open an issue at https://github.com/eclipse/milo/issues
Email the mailing list

NVD description

In OPC Foundation OPC UA .NET Standard codebase 1.4.357.28, servers do not create sufficiently random numbers in OPCFoundation.NetStandard.Opc.Ua before 1.4.359.31, which allows man in the middle attackers to reuse encrypted user credentials sent over the network.

References

eclipse/milo security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2019-19135 · ADVISORY
eclipse/milo commit cac0e71 · WEB
opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2019-19135.pdf · WEB
opcfoundation.org/security-bulletins · WEB
opcfoundation.org/security-bulletins · Vendor Advisory

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요약

CVE-2019-19135은(는) org.eclipse.milo:sdk-client, netstandard.opc.ua (opcfoundation), ua-.netstandard (opcfoundation)에 영향을 주는 높음 (CVSS 7.4) 취약점입니다.

향후 30일 내 악용 확률(EPSS): 1.0%, 전체 취약점의 64.1%보다 높음.

조치: 0.3.6, 1.4.359.31 이상으로 업데이트하세요.

Package

Affected versions

Patched versions

org.eclipse.milo:sdk-client

Maven

< 0.3.6

0.3.6

netstandard.opc.ua

opcfoundation

< 1.4.359.31

1.4.359.31

ua-.netstandard

opcfoundation

= 1.4.357.28

No fix yet

Description

Impact

Credential replay affecting those connected to a server when all 3 of the following conditions are met:

SecurityPolicy is None
using username/password or X509-based authentication
the server has a defect causing it to send null/empty or zeroed nonces

Patches

The problem has been patched in version 0.3.6. A more relaxed treatment of validation as agreed upon by the OPC UA Security Working Group is implemented in version 0.3.7.

Workarounds

Do not use username/password or X509-based authentication with SecurityPolicy of None.

References

https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2019-19135.pdf

For more information

If you have any questions or comments about this advisory:

Open an issue at https://github.com/eclipse/milo/issues
Email the mailing list

NVD description