Advisory Details

April 11th, 2023

Microsoft Azure Machine Learning Service DSIMountAgent Missing Authentication Information Disclosure Vulnerability

CVE ID	CVE-2023-28312
CVSS SCORE	6.5, AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Azure
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

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