A vulnerability was found in Tridium Niagara AX and Niagra 4 (affected version unknown). It has been rated as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An attacker can log into the local Niagara platform (Niagara AX Framework Versions 3.8 and prior or Niagara 4 Framework Versions 4.4 and prior) using a disabled account name and a blank password, granting the attacker administrator access to the Niagara system.

The bug was discovered 08/16/2018. The weakness was disclosed 08/20/2018 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2017-16748 since 11/08/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

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

The entry 123046 is pretty similar.

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Vendor

• Tridium

Name

• Niagara AX
• Niagra 4

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Discussion