Microsoft Azure Machine Learning Service DSIMountAgent Missing Authentication Information Disclosure Vulnerability
Vulnerability Details
This vulnerability allows network-adjacent attackers to disclose sensitive information on Microsoft Azure. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the DSIMountAgent service, which listens on TCP port 46802 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to disclose sensitive information, leading to further compromise.
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-2023-28312
Disclosure Timeline
- 2022-12-16 - Vulnerability reported to vendor
- 2023-04-11 - Coordinated public release of advisory
Credit
Nitesh Surana (@_niteshsurana) of Project Nebula, Trend Micro Research