Microsoft Artifact Registry Container Images Empty Password Authentication Bypass Vulnerability

June 6th, 2024
ZDI-24-580 ZDI-CAN-22149

CVE ID

CVSS Score

9.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Microsoft

Affected Products

Artifact Registry

Vulnerability Details

This vulnerability allows remote attackers to bypass authentication on affected installations of Microsoft Artifact Registry Container images. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the default credentials set within the image. The issue results from the use of empty root password. An attacker can leverage this vulnerability to bypass authentication on the system.

Additional Details

Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://portal.msrc.microsoft.com/en-us/security-guidance/researcher-acknowledgments-online-services

Disclosure Timeline

  • 2023-09-20 - Vulnerability reported to vendor
  • 2024-06-06 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated

Credit

Alfredo Oliveira and Nitesh Surana (@_niteshsurana) of Trend Micro Research

Back to Advisories