[jira] [Updated] (CASSANDRA-12317) 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-12317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

C. Scott Andreas updated CASSANDRA-12317:
-----------------------------------------
    Component/s: Compression

> Use of Dynamic Class Loading, Use of Externally-Controlled Input to Select Classes or Code
> ------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-12317
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12317
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Compression
>            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 which ends on line 198 by returning an object associated with a class by name.
> CompressionParams.java, lines 190-204:
> {code:java}
> 190 private static Class<?> parseCompressorClass(String className) throws ConfigurationException
> 191 {
> 192     if (className == null || className.isEmpty())
> 193         return null;
> 194 
> 195     className = className.contains(".") ? className : "org.apache.cassandra.io.compress." + className;
> 196     try
> 197     {
> 198         return Class.forName(className);
> 199     }
> 200     catch (Exception e)
> 201     {
> 202         throw new ConfigurationException("Could not create Compression for type " + className, e);
> 203     }
> 204 }
> {code}



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