Bypass the client certificate trust check of an opc.https server while only secure communication is allowed

A malicious client can bypass the client certificate trust check of an opc.https server when the server endpoint is configured to allow only secure communication.

Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability

Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20498.

Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability

Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of OPC client certificates. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20508.

Softing edgeAggregator Permissive Cross-domain Policy with Untrusted Domains Remote Code Execution Vulnerability

Softing edgeAggregator Permissive Cross-domain Policy with Untrusted Domains Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Softing edgeAggregator. Authentication is required to exploit this vulnerability. The specific flaw exists within the configuration of the web server. The issue results from the lack of appropriate Content Security Policy headers. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-20542.

Softing Secure Integration Server Hardcoded Cryptographic Key Information Disclosure Vulnerability

Softing Secure Integration Server Hardcoded Cryptographic Key Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Softing Secure Integration Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within libopcuaclient.so. The issue results from hardcoding crytographic keys within the product. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-20610.

An issue was discovered in Softing OPC UA C++ SDK before 6.10. A buffer overflow or an excess allocation happens due to unchecked array and matrix bounds in structure data types.

Softing Secure Integration Server Relative Path Traversal

The “restore configuration” feature of Softing Secure Integration Server V1.22 is vulnerable to a directory traversal vulnerability when processing zip files. An attacker can craft a zip file to load an arbitrary dll and execute code. Using the "restore configuration" feature to upload a zip file containing a path traversal file may cause a file to be created and executed upon touching the disk.

Softing Secure Integration Server Uncontrolled Search Path Element

The application searches for a library dll that is not found. If an attacker can place a dll with this name, then the attacker can leverage it to execute arbitrary code on the targeted Softing Secure Integration Server V1.22.

Softing Secure Integration Server NULL Pointer Dereference

A crafted HTTP packet without a content-type header can create a denial-of-service condition in Softing Secure Integration Server V1.22.

Softing Secure Integration Server Improper Authentication

Softing Secure Integration Server, edgeConnector, and edgeAggregator software ships with the default administrator credentials as `admin` and password as `admin`. This allows Softing to log in to the server directly to perform administrative functions. Upon installation or upon first login, the application does not ask the user to change the `admin` password. There is no warning or prompt to ask the user to change the default password, and to change the password, many steps are required.

Softing Secure Integration Server NULL Pointer Dereference

Softing OPC UA C++ Server SDK, Secure Integration Server, edgeConnector, edgeAggregator, OPC Suite, and uaGate are affected by a NULL pointer dereference vulnerability.

Softing Secure Integration Server Integer Underflow

A crafted HTTP packet with a -1 content-length header can create a denial-of-service condition in Softing Secure Integration Server V1.22.

Softing Secure Integration Server Cleartext Transmission of Sensitive Information

Softing Secure Integration Server V1.22 is vulnerable to authentication bypass via a machine-in-the-middle attack. The default the administration interface is accessible via plaintext HTTP protocol, facilitating the attack. The HTTP request may contain the session cookie in the request, which may be captured for use in authenticating to the server.

Softing Secure Integration Server Out-of-bounds Read

A crafted HTTP packet with a large content-length header can create a denial-of-service condition in Softing Secure Integration Server V1.22.

Softing Secure Integration Server NULL Pointer Dereference

A crafted HTTP packet with a missing HTTP URI can create a denial-of-service condition in Softing Secure Integration Server V1.22.

Cleartext Transmission of Sensitive Information in Softing edgeConnector and edgeAggregator

The affected product is vulnerable to a cleartext transmission of sensitive information vulnerability, which may allow an attacker to capture packets to craft their own requests.

An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66, and uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a client or server. The server process may crash unexpectedly because of a double free, and must be restarted.