Concurrent sessions In opcfoundation.netstandard.opc.ua

Description

Insufficient Session Expiration and TOCTOU Race Condition in OPC FOundation UA .Net Standard This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard 1.04.358.30. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of sessions. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to create a denial-of-service condition against the application. Was ZDI-CAN-10295.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Package
Affected version
Patched versions
FLAT-PHDWT – Vulnerability | Fluid Attacks Database