CVE Vulnerability

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.

3.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://opcfoundation-onlineapplications.org/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-7559.pdf Third Party Advisory
https://github.com/OPCFoundation/UA-.NETStandard/commit/ebcf026a54dd0c9052cff009d96d827ac923d150 Patch Third Party Advisory
https://github.com/OPCFoundation/UA-.NET-Legacy/commit/e2a781b38efb8686d2bd850c2f2372b5c670bc45 Patch Third Party Advisory
http://www.securityfocus.com/bid/108688
Configurations

Configuration 1

cpe:2.3:a:opcfoundation:ua-.netstandard:*:*:*:*:*:*:*:*
cpe:2.3:a:opcfoundation:ua-.net-legacy:*:*:*:*:*:*:*:*
Information

Published : 2018-06-13 06:29

Updated : 2019-06-10 11:29

NVD link : CVE-2018-7559

Mitre link : CVE-2018-7559

Products Affected
No products.
CWE
CWE-320