PT-2023-23122 · Unknown · Opc Ua .Net Standard Reference Server

Published 2023-05-05 · Updated 2024-10-09 · CVE-2023-31048

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions OPC UA .NET Standard Reference Server versions prior to 1.4.371.86

Description The issue allows remote attackers to send malicious requests that expose sensitive information by placing it into an error message. This error message may be seen remotely, potentially compromising security.

Recommendations For versions prior to 1.4.371.86, update to version 1.4.371.86 or later to resolve the issue. As a temporary workaround, consider restricting access to the server to minimize the risk of exploitation.

Fix

Information Disclosure

Generation of Error Message Containing Sensitive Information

Weakness Enumeration

CWE-200

CWE-209

Related Identifiers

CVE-2023-31048

GHSA-4CVP-HR63-822J

Affected Products

Opc Ua .Net Standard Reference Server

References · 9

• https://osv.dev/vulnerability/GHSA-4cvp-hr63-822j · Vendor Advisory
• https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-31048.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-31048 · Security Note
• https://osv.dev/vulnerability/CVE-2023-31048 · Vendor Advisory
• https://github.com/OPCFoundation/UA-.NETStandard/releases/tag/1.4.371.86 · Note
• https://github.com/OPCFoundation/UA-.NETStandard/releases · Note
• https://github.com/OPCFoundation/UA-.NETStandard · Note
• https://github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-4cvp-hr63-822j · Note
• https://twitter.com/CVEnew/status/1734626782983360829 · Twitter Post