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Rewterz Threat Advisory -ICS: B&R Automation SiteManager and GateManager

Severity

Medium

Analysis Summary

CVE-2020-11641

An authenticated adversary can read service configuration and other sensitive information and abuse this information for malicious activities on SiteManager instances. 

CVE-2020-11642 

An authenticated adversary can repeatedly trigger a restart of SiteManager instances, thus limiting availability. 

CVE-2020-11643

An authenticated adversary can gather information about devices belonging to a foreign organization and abuse this information for malicious activities. 

CVE-2020-11644

An authenticated adversary can fool users of foreign domains with fictional audit messages/alerts of their choice. 

CVE-2020-11645

An authenticated adversary can repeatedly trigger a restart of GateManager instances, thus limiting their availability. 

CVE-2020-11646

An authenticated adversary can view information about all devices belonging to their domain and abuse this information for malicious activities.

Impact

  • Information disclosure
  • Denial-of-service 

Affected Vendors

B&R Industrial Automation GmbH

Affected Products

  • SiteManager all versions prior to v9.2.620236042
  • GateManager 4260 and 9250 all versions prior to v9.0.20262
  • GateManager 8250 all versions prior to v9.2.620236042

Remediation

Users are advised to update to the fixed versions:

  • SiteManager v9.2.620236042
  • GateManager 4260 and 9250 v9.0.20262
  • GateManager 8250 v9.2.620236042