Amazon JDBC Driver for Redshift SQL Injection via line comment generation
        
  Critical severity
        
          GitHub Reviewed
      
        Published
          May 14, 2024 
          in
          
            aws/amazon-redshift-jdbc-driver
          
          •
          Updated Jun 13, 2025 
      
  
Package
Affected versions
< 2.1.0.28
  Patched versions
2.1.0.28
  Description
        Published by the National Vulnerability Database
      May 15, 2024 
    
  
        Published to the GitHub Advisory Database
      May 15, 2024 
    
  
        Reviewed
      May 15, 2024 
    
  
        Last updated
      Jun 13, 2025 
    
  
Impact
SQL injection is possible when using the non-default connection property
preferQueryMode=simplein combination with application code which has a vulnerable SQL that negates a parameter value.There is no vulnerability in the driver when using the default, extended query mode. Note that
preferQueryModeis not a supported parameter in Redshift JDBC driver, and is inherited code from Postgres JDBC driver. Users who do not override default settings to utilize this unsupported query mode are not affected.Patch
This issue is patched in driver version 2.1.0.28.
Workarounds
Do not use the connection property
preferQueryMode=simple. (NOTE: If you do not explicitly specify a query mode, then you are using the default of extended query mode and are not affected by this issue.)References
Similar to finding in Postgres JDBC: GHSA-24rp-q3w6-vc56
If you have any questions or comments about this advisory, we ask that you contact AWS Security via our vulnerability reporting page or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.
References