Microsoft Azure SQL Managed Instance Documentation SAS Token Incorrect Permission Assignment Authentication Bypass Vulnerability
June 6th, 2024
Vulnerability Details
This vulnerability allows remote attackers to bypass authentication on Microsoft Azure. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the permissions granted to an SAS token. An attacker can leverage this vulnerability to launch a supply-chain attack and execute arbitrary code on customers' endpoints.
Additional Details
Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/en-us/acknowledgement/online
Disclosure Timeline
- 2023-10-03 - Vulnerability reported to vendor
- 2024-06-06 - Coordinated public release of advisory
- 2024-07-01 - Advisory Updated
Credit
Nitesh Surana (@_niteshsurana) of Trend Micro Research
