[jira] [Updated] (CASSANDRA-12309) Use of Dynamic Class Loading, Use of Externally-Controlled Input to Select Classes or Code

["C. Scott Andreas (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-12309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

C. Scott Andreas updated CASSANDRA-12309:
-----------------------------------------
    Component/s: Auth

> Use of Dynamic Class Loading, Use of Externally-Controlled Input to Select Classes or Code
> ------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-12309
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12309
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Auth
>            Reporter: Eduardo Aguinaga
>            Priority: Major
>
> Overview:
> In May through June of 2016 a static analysis was performed on version 3.0.5 of the Cassandra source code. The analysis included an automated analysis using HP Fortify v4.21 SCA and a manual analysis utilizing SciTools Understand v4. The results of that analysis includes the issue below.
> Issue:
> Dynamically loaded code has the potential to be malicious. The application uses external input to select which classes or code to use, but it does not sufficiently prevent the input from selecting improper classes or code.
> The snippet below shows the issue on line 588 and the method returns a new instance on line 594 or 598.
> CqlConfigHelper.java, lines 584-605:
> {code:java}
> 584 private static AuthProvider getClientAuthProvider(String factoryClassName, Configuration conf)
> 585 {
> 586     try
> 587     {
> 588         Class<?> c = Class.forName(factoryClassName);
> 589         if (PlainTextAuthProvider.class.equals(c))
> 590         {
> 591             String username = getStringSetting(USERNAME, conf).or("");
> 592             String password = getStringSetting(PASSWORD, conf).or("");
> 593             return (AuthProvider) c.getConstructor(String.class, String.class)
> 594                     .newInstance(username, password);
> 595         }
> 596         else
> 597         {
> 598             return (AuthProvider) c.newInstance();
> 599         }
> 600     }
> 601     catch (Exception e)
> 602     {
> 603         throw new RuntimeException("Failed to instantiate auth provider:" + factoryClassName, e);
> 604     }
> 605 }
> {code}



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