CVE-2018-7559
MEDIUM5.3EPSS 0.27%OPC UA applications can allow a remote attacker to determine a Server's private key
Published: 10/16/2018Modified: 12/2/2024
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 packages (1)
- NuGet/OPCFoundation.NetStandard.Opc.Uafrom 0, < 1.3.352.12
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
References (7)
- ADVISORYhttps://github.com/advisories/GHSA-gr4c-5rq6-cgh3
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2018-7559
- PATCHhttps://github.com/OPCFoundation/UA-.NETStandard
- WEBhttps://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45
- WEBhttps://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150
- WEBhttps://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdf
- WEBhttp://www.securityfocus.com/bid/108688