Siemens LOGO!8 BM Service Port 10005 access control

Summaryinfo

A vulnerability described as critical has been identified in Siemens LOGO!8 BM. This vulnerability affects unknown code of the component Service Port 10005. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2019-10919. The attack may be performed from remote. There is no available exploit. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as critical was found in Siemens LOGO!8 BM (unknown version). This vulnerability affects an unknown code block of the component Service Port 10005. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in LOGO!8 BM (All versions). Attackers with access to port 10005/tcp could perform device reconfigurations and obtain project files from the devices. The system manual recommends to protect access to this port. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

The bug was discovered 05/14/2019. The weakness was presented 05/14/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2019-10919 since 04/08/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/19/2023). The MITRE ATT&CK project declares the attack technique as T1068.

Proper firewalling of tcp/10005 is able to address this issue.

See VDB-135029 and VDB-135030 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Siemens

Name

• LOGO!8 BM

License

• commercial

Website

• Vendor: https://www.siemens.com/

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Once again VulDB remains the best source for vulnerability data.

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