OPC UA applications can allow a remote attacker to determine a Server's private key
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2018-7559US | medium5.3 | — | ||
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.… | ||||
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references
External citations — patches, advisories, analysis.
- http://www.securityfocus.com/bid/108688WEB
- https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45WEB
- https://github.com/OPCFoundation/UA-.NETStandardPACKAGE
- https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150WEB
- https://github.com/advisories/GHSA-gr4c-5rq6-cgh3ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2018-7559ADVISORY
- https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdfWEB
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