Black Hat 2021: Rapid7 Experts Share Key Day 1 Takeaways

OK, no big deal, we know how this goes. Once again, many of us are attending Black Hat in a virtual capacity as COVID-19 meanders its way out of our lives. The good news is that there’s an actual live component again this year in Las Vegas, and that’s progress. Here’s hoping that next year the...

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 fr...

GHSA-9Q94-V7CH-MXQW 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 fr...

ICS Focused Malware

Updated July 20, 2021: The U.S. Government attributes this activity to Russian nation-state cyber actors and assess that Russian nation-state cyber actors deployed Havex malware against industrial control systems. For more information on Russian malicious cyber activity, refer...

Softing OPC UA C++ SDK 缓冲区错误漏洞

The Softing OPC UA C++ SDK is a development kit from Softing Germany. It is used to quickly and easily integrate OPC UA clients and servers. A buffer error vulnerability exists in the Softing OPC-UA C++ SDK that stems from an exported library function that does not properly validate received...

Softing OPC-UA C++ SDK

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely/low attack complexity Vendor: Softing Equipment: OPC-UA C++ SDK Vulnerability: Improper Restriction of Operations within the Bounds of a Memory Buffer 2. RISK EVALUATION A remote attacker may be able to crash the device, resulting...

CVE-2021-23230

A SQL Injection vulnerability in the OPCUA interface of Gallagher Command Centre allows a remote unprivileged Command Centre Operator to modify Command Centre databases undetected. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 MR3; 8.30 versions prior to 8.30.1359...

Siemens SIMATIC NET CP 443-1 OPC UA

1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: Siemens Equipment: SIMATIC NET CP 443-1 OPC UA Vulnerabilities: Improper Input Validation, Improper Restriction of Operations within the Bounds of a Memory Buffer, Incorrect Calculation, Classic Buffer...

Siemens SIMATIC RFID (Update B)

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Low attack complexity Vendor: Siemens Equipment: SIMATIC RF Products Vulnerability: Uncontrolled Resource Consumption 2. UPDATE INFORMATION This updated advisory is a follow-up to the advisory update titled ICSA-21-159-13 Siemens SIMATIC RFID Readers...

CVE-2021-27432

OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

CVE-2021-27432

OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

CVE-2021-27432

OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

Stack overflow

OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

CVE-2021-27432

OPC Foundation UA .NET Standard and OPC UA .NET Legacy are affected by CVE-2021-27432 due to an uncontrolled recursion that can trigger a stack overflow. Affected products are OPC UA .NET Standard prior to 1.4.365.48 and OPC UA .NET Legacy. The vulnerability enables remote exploitation (network v...

CVE-2021-27432

OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

CVE-2021-27434

Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior .NET 4.5, 4.0, and 3.5 Framework versions only are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

Stack overflow

Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior .NET 4.5, 4.0, and 3.5 Framework versions only are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

CVE-2021-27434

Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior .NET 4.5, 4.0, and 3.5 Framework versions only are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...

CVE-2021-27434

CVE-2021-27434 affects Unified Automation .NET based OPC UA Client/Server SDK Bundle (versions up to 3.0.7 on .NET Framework 4.5, 4.0, 3.5). Root cause is an uncontrolled recursion that may trigger a stack overflow. Impact, per CVSS3.1: high confidentiality impact with no functional integrity or ...

CVE-2021-27432: Uncontrolled Recursion

OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow...