Advisory Details

March 9th, 2022

Microsoft Azure Defender for IoT Password Change Command Injection Privilege Escalation Vulnerability

ZDI-22-496
ZDI-CAN-16123

CVE ID CVE-2022-23266
CVSS SCORE 8.8, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Azure Defender for IoT
VULNERABILITY DETAILS

This vulnerability allows remote attackers to escalate privileges on affected installations of Microsoft Azure Defender for IoT. Authentication is required to exploit this vulnerability.

The specific flaw exists within the password change mechanism. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23266
DISCLOSURE TIMELINE
  • 2021-12-10 - Vulnerability reported to vendor
  • 2022-03-09 - Coordinated public release of advisory
CREDIT Simon Zuckerbraun - Trend Micro Zero Day Initiative
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