GitHub user yanboliang opened a pull request:
https://github.com/apache/zeppelin/pull/2468
[ZEPPELIN-2733] Remove System Information Leak in Authentication.java.
### What is this PR for?
An information leak occurs when system data or debugging information leaves
the program through an output stream or logging function.
In the file Authentication.java,
```
Line 137: LOG.debug("Encrypted user key is {}", userKey);
Line 148: LOG.debug("IV is {}, IV length is {}", initVector,
initVector.length());
```
These lines may print information which can reveal some important data to
user making it vulnerable to attacks, we should not log this sensitive
information.
### What type of PR is it?
[Improvement]
### What is the Jira issue?
https://issues.apache.org/jira/browse/ZEPPELIN-2733
### How should this be tested?
Existing tests.
### Screenshots (if appropriate)
### Questions:
* Does the licenses files need update? - No
* Is there breaking changes for older versions? - No
* Does this needs documentation? - No
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yanboliang/zeppelin zeppelin-2733
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2468.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2468
----
commit b6bfbd6658ba6c8b5c907f410312c5da97fdd4d4
Author: Yanbo Liang <yblia...@gmail.com>
Date: 2017-07-06T06:31:15Z
Remove System Information Leak in Authentication.java.
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