Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Opcfoundation | Ua-.Net-Legacy | <= 1.03.342 |
| Opcfoundation | Ua-.Netstandard | <= 1.03.352.10 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/108688
- https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2PatchThird Party Advisory
- https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009PatchThird Party Advisory
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_FoundatioThird Party Advisory
- http://www.securityfocus.com/bid/108688
- https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2PatchThird Party Advisory
- https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009PatchThird Party Advisory
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_FoundatioThird Party Advisory
FAQ
What is CVE-2018-7559?
CVE-2018-7559 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...
How severe is CVE-2018-7559?
CVE-2018-7559 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-7559?
Check the references section above for vendor advisories and patch information. Affected products include: Opcfoundation Ua-.Net-Legacy, Opcfoundation Ua-.Netstandard.