Burning Data with Malicious Firewall Rules in Azure SQL
Published Tue, Apr 15th, 2025
Platforms
Summary
Varonis Threat Labs discovered a vulnerability in Azure SQL Server allowing privileged users to create malicious firewall rules that can delete Azure resources when triggered by admin actions. The exploit involves manipulating rule names via TSQL to inject destructive commands, potentially leading to large-scale data loss in affected Azure accounts.
Affected Services
Azure SQL Server
Remediation
None required. Microsoft has fully patched the vulnerability as of April 09, 2025.