CVEvulnerability
CVE-2018-7559
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-06-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.3 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:P/I:N/A:N
- Weaknesses
- CWE-320
Description
An issue was discovered in OPC UA .NET Standard Stack and Sample Code before GitHub commit 2018-04-12, and OPC UA .NET Legacy Stack and Sample Code before GitHub commit 2018-03-13. A vulnerability in OPC UA applications can allow a remote attacker to determine a Server's private key by sending carefully constructed bad UserIdentityTokens as part of an oracle attack.
Affected configurations
• opcfoundation ua-.net-legacy (<= 1.03.342)
• opcfoundation ua-.netstandard (<= 1.03.352.10)
Related
Weakness · not in database (1)
References
- http://www.securityfocus.com/bid/108688 www.securityfocus.com
- https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45 Patch, Third Party Advisory
- https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150 Patch, Third Party Advisory
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdf Third Party Advisory
- http://www.securityfocus.com/bid/108688 www.securityfocus.com
- https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45 Patch, Third Party Advisory
- https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150 Patch, Third Party Advisory
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdf Third Party Advisory