Eduardo Aguinaga created CASSANDRA-12317:
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Summary: 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: Bug
Reporter: Eduardo Aguinaga
Fix For: 3.0.5
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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