Eduardo Aguinaga created CASSANDRA-12303:
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Summary: Privacy VIolation - Heap Inspection
Key: CASSANDRA-12303
URL: https://issues.apache.org/jira/browse/CASSANDRA-12303
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:
In the file AbstractJmxClient.java on lines 69 and 147 a string object is used
to store sensitive data. String objects are immutable and should not be used to
store sensitive data. Sensitive data should be stored in char or byte arrays
and the contents of those arrays should be cleared ASAP. Operations performed
on string objects will require that the original object be copied and the
operation be applied in the new copy of the string object. This results in the
likelihood that multiple copies of sensitive data will be present in the heap
until garbage collection takes place.
The snippet below shows the issue on line 129:
AbstractJmxClient.java, lines 51-71:
{code:java}
51 protected final String password;
52 protected JMXConnection jmxConn;
53 protected PrintStream out = System.out;
. . .
64 public AbstractJmxClient(String host, Integer port, String username, String
password) throws IOException
65 {
66 this.host = (host != null) ? host : DEFAULT_HOST;
67 this.port = (port != null) ? port : DEFAULT_JMX_PORT;
68 this.username = username;
69 this.password = password;
70 jmxConn = new JMXConnection(this.host, this.port, username, password);
71 }
{code}
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