Vulnerability Details CVE-2018-7559
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 50.9%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 3.5
References
- http://www.securityfocus.com/bid/108688
- https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45
- https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdf
- http://www.securityfocus.com/bid/108688
- https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45
- https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdf
Products affected by CVE-2018-7559
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cpe:2.3:a:opcfoundation:ua-.net-legacy:-
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cpe:2.3:a:opcfoundation:ua-.net-legacy:1.02.336
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cpe:2.3:a:opcfoundation:ua-.net-legacy:1.02.336.0
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cpe:2.3:a:opcfoundation:ua-.net-legacy:1.03.340
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cpe:2.3:a:opcfoundation:ua-.net-legacy:1.03.341
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cpe:2.3:a:opcfoundation:ua-.net-legacy:1.03.342
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cpe:2.3:a:opcfoundation:ua-.netstandard:1.03.350
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cpe:2.3:a:opcfoundation:ua-.netstandard:1.03.350.6
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cpe:2.3:a:opcfoundation:ua-.netstandard:1.03.351.7
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cpe:2.3:a:opcfoundation:ua-.netstandard:1.03.352.10