Microsoft Azure Machine Learning Service Cleartext Storage of Credentials Information Disclosure Vulnerability

February 7th, 2023
ZDI-23-095 ZDI-CAN-19307

CVE ID

CVSS Score

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

Affected Vendors

Microsoft

Affected Products

Azure

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on Microsoft Azure. Authentication is required to exploit this vulnerability.

The specific flaw exists within the handling of credentials within Azure Machine Learning Service workbooks. The issue results from storing sensitive information in plaintext. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.

Additional Details

Fixed in an online service update on December 7, 2022


Disclosure Timeline

  • 2022-10-31 - Vulnerability reported to vendor
  • 2023-02-07 - Coordinated public release of advisory

Credit

Nitesh Surana (@_niteshsurana) of Project Nebula, Trend Micro Research

Back to Advisories