ZDI-21-1555: Microsoft Azure Defender for IoT sync Endpoint SQL Injection Authentication Bypass Vulnerability
This vulnerability allows remote attackers to bypass authentication on affected installations of Microsoft Azure Defender for IoT. Authentication is not required to exploit this vulnerability. The specific flaw exists within the sync endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to bypass authentication on the system and execute arbitrary code in the context of root.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Defender for IoT |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-1555?
The severity of ZDI-21-1555 is considered critical due to the potential for remote attackers to bypass authentication.
How do I fix ZDI-21-1555?
To fix ZDI-21-1555, ensure that you apply the latest security updates provided by Microsoft for Azure Defender for IoT.
Which products are affected by ZDI-21-1555?
ZDI-21-1555 affects Microsoft Azure Defender for IoT installations.
Is authentication required to exploit ZDI-21-1555?
No, authentication is not required to exploit ZDI-21-1555, making it particularly dangerous.
What is the impact of ZDI-21-1555?
The impact of ZDI-21-1555 allows remote attackers to gain unauthorized access to the affected installations.
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