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Vulnerability in the interface module SLC-0-GPNT00300

BOSCH-SA-894143

Advisory Information

  • Advisory ID: BOSCH-SA-894143
  • CVE Numbers and CVSS v3.1 Scores:
  • Published: 04 Jul 2023
  • Last Updated: 04 Jul 2023

Summary

The SLC-0-GPNT00300 from Bosch Rexroth contains technology from SICK AG. The manufacturer has published a security bulletin [1] regarding the missing authentication for a critical function. Exploiting the vulnerability would allow an unauthenticated attacker to change the IP address of the device and affect the availability of the module.

Affected Products

  • Rexroth SLC-0-GPNT00300
    • CVE-2023-23444
      • Version(s): all

Solution and Mitigations

Compensatory Measures

Compensatory measures are recommended which mitigate the risk. Always define such compensatory measures individually, in the context of the operational environment. Some measures are described in the “Security Guideline Electric Drives and Controls” [2], for example the network segmentation. In general, it is mandatory to implement the measures described in the “Security Guideline Electric Drives and Controls”.

Vulnerability Details

CVE-2023-23444

CVE description: Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with Partnumbers 1042193, 1042964, 1044078, 1044072, 1044073, 1044074, 1099830, 1099832, 1127717, 1069070, 1112296, 1051432, 1102420, 1127487, 1121596, 1121597 allows an unauthenticated remote attacker to influence the availability of the device by changing the IP settings of the device via broadcasted UDP packets.

Remarks

Security Update Information

With respect to Directive (EU) 2019/770 and Directive (EU) 2019/771 and their national transposition laws, please note:

It is your responsibility to download and/or install any security updates provided by us, for example to maintain product or data security. If you fail to install a security update provided to you within a reasonable period of time, we will not be liable for any product defect solely due to the absence of such security update.

Alternatively, we are entitled to directly download and/or install security updates regardless of your settings. In these cases, we will provide you with the relevant information, e.g. in this security advisory.

CVSS Scoring

Vulnerability classification has been performed using the CVSS v3.1 scoring system . The CVSS environmental score is specific to each customer’s environment and should be defined by the customer to attain a final scoring.

Additional Resources

Please contact the Bosch PSIRT if you have feedback, comments, or additional information about this vulnerability at: psirt@bosch.com .

Revision History

  • 04 Jul 2023: Initial Publication