Siemens SCALANCE X-200/SCALANCE X-200IRT/SCALANCE X-200RNA input validation

Summaryinfo

A vulnerability labeled as problematic has been found in Siemens SCALANCE X-200, SCALANCE X-200IRT and SCALANCE X-200RNA. The impacted element is an unknown function. Such manipulation as part of Message leads to input validation. This vulnerability is uniquely identified as CVE-2019-10942. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Siemens SCALANCE X-200, SCALANCE X-200IRT and SCALANCE X-200RNA (the affected version unknown) and classified as problematic. Affected by this issue is an unknown part. The manipulation as part of a Message leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

A vulnerability has been identified in SCALANCE X-200 (All versions), SCALANCE X-200IRT (All versions), SCALANCE X-200RNA (All versions). The device contains a vulnerability that could allow an attacker to trigger a denial-of-service condition by sending large message packages repeatedly to the telnet service. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

The weakness was disclosed 08/13/2019. This vulnerability is handled as CVE-2019-10942 since 04/08/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 11/25/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Siemens

Name

• SCALANCE X-200
• SCALANCE X-200IRT
• SCALANCE X-200RNA

License

• commercial

Website

• Vendor: https://www.siemens.com/

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