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https://issues.apache.org/jira/browse/HIVE-20644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16639222#comment-16639222
 ] 

Hive QA commented on HIVE-20644:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 
 7s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
5s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
40s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
44s{color} | {color:blue} ql in master has 2320 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
58s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
3s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  
3s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
38s{color} | {color:red} ql: The patch generated 9 new + 161 unchanged - 0 
fixed = 170 total (was 161) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch 12 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 
59s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
57s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
12s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 23m 17s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-14244/dev-support/hive-personality.sh
 |
| git revision | master / f0434c5 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14244/yetus/diff-checkstyle-ql.txt
 |
| whitespace | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14244/yetus/whitespace-tabs.txt
 |
| modules | C: ql U: ql |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14244/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Avoid exposing sensitive infomation through a Hive Runtime exception
> --------------------------------------------------------------------
>
>                 Key: HIVE-20644
>                 URL: https://issues.apache.org/jira/browse/HIVE-20644
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>    Affects Versions: 3.1.0
>            Reporter: Ashutosh Bapat
>            Assignee: Ashutosh Bapat
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.1.0
>
>         Attachments: HIVE-20644.01, HIVE-20644.02, HIVE-20644.03, 
> HIVE-20644.04
>
>
> The HiveException raised from the following methods is exposing the datarow 
> the caused the run time exception.
>  # ReduceRecordSource::GroupIterator::next() - around line 372
>  # MapOperator::process() - around line 567
>  # ExecReducer::reduce() - around line 243
> In all the cases, a string representation of the row is constructed on the 
> fly and is included in
> the error message.
> VectorMapOperator::process() - around line 973 raises the same exception but 
> it's not exposing the row since the row contents are not included in the 
> error message.
> While trying to reproduce above error, I also found that the arguments to a 
> UDF get exposed in log messages from FunctionRegistry::invoke() around line 
> 1114. This too can cause sensitive information to be leaked through error 
> message.
> This way some sensitive information is leaked to a user through exception 
> message. That information may not be available to the user otherwise. Hence 
> it's a kind of security breach or violation of access control.
> The contents of the row or the arguments to a function may be useful for 
> debugging and hence it's worth to add those to logs. Hence proposal here to 
> log a separate message with log level DEBUG or INFO containing the string 
> representation of the row. Users can configure their logging so that 
> DEBUG/INFO messages do not go to the client but at the same time are 
> available in the hive server logs for debugging. The actual exception message 
> will not contain any sensitive data like row data or argument data.



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