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Rewterz Threat Advisory – CVE-2019-6575 – Siemens Industrial Products with OPC UA Denial of Service Vulnerability
April 12, 2019
Rewterz Threat Advisory – Siemens RUGGEDCOM ROX II Multiple Vulnerabilities
April 12, 2019
Rewterz Threat Advisory – CVE-2019-6575 – Siemens Industrial Products with OPC UA Denial of Service Vulnerability
April 12, 2019
Rewterz Threat Advisory – Siemens RUGGEDCOM ROX II Multiple Vulnerabilities
April 12, 2019
Severity
High
Analysis Summary
CVE-2018-14618
The HTTP client curl is vulnerable to a buffer overrun.
The vulnerability could be exploited by an attacker providing a malicious HTTP server. Successful exploitation requires no system privileges. User interaction by a legitimate use is required to exploit the vulnerability. An attacker could use the vulnerability to compromise confidentiality, integrity and availability of the affected device.
CVE-2018-16890
The HTTP client library libcurl is vulnerable to a heap buffer out-of-bounds read.
The vulnerability could be exploited by an attacker providing a malicious HTTP server. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the affected system.
CVE-2019-3822
The HTTP client library libcurl is vulnerable to a stack-based buffer overflow.
The vulnerability could be exploited by an attacker providing a malicious HTTP server. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise confidentiality, integrity and availability of the affected system.
CVE-2019-6570
Due to insufficient checking of user permissions, an attacker may access URLs that require special authorization.
The vulnerability could be exploited by an attacker with network access to the affected system. An attacker must have access to a low privileged account to exploit the vulnerability. An attacker could use the vulnerability to compromise confidentiality, integrity and availability of the affected system.
Impact
- Privilege escalation
Affected Vendors
Siemens
Affected Products
- SINEMA Remote Connect (Client and Server)
- SINEMA Remote Connect Client
- all versions prior to v2.0 HF1
- SINEMA Remote Connect Server
- all versions prior to v2.0
Remediation
Vendor currently has updates for the following products:
SINEMA Remote Connect Client: Update to v2.0 HF1: https://support.industry.siemens.com/cs/de/en/view/109764829
SINEMA Remote Connect Server: Update to v2.0: https://support.industry.siemens.com/cs/de/en/view/109764829