CVE-2018-7559

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

13/06/2018

Last modified:

10/06/2019

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&#39;s private key by sending carefully constructed bad UserIdentityTokens as part of an oracle attack.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

5.30

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:S/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:N/AC:M/Au:S/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0

3.50

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:opcfoundation:ua-.net-legacy::::::::		1.03.342 (including)
cpe:2.3:a:opcfoundation:ua-.netstandard::::::::		1.03.352.10 (including)

To consult the complete list of CPE names with products and versions, see this page

CVE-2018-7559

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools