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Posted to issues-all@impala.apache.org by "Fang-Yu Rao (Jira)" <ji...@apache.org> on 2021/01/20 16:50:00 UTC

[jira] [Updated] (IMPALA-10434) impala-shell crash in parsing multiline queries that contain UTF-8 characters

     [ https://issues.apache.org/jira/browse/IMPALA-10434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fang-Yu Rao updated IMPALA-10434:
---------------------------------
    Affects Version/s: Impala 4.0

> impala-shell crash in parsing multiline queries that contain UTF-8 characters
> -----------------------------------------------------------------------------
>
>                 Key: IMPALA-10434
>                 URL: https://issues.apache.org/jira/browse/IMPALA-10434
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Frontend, Security
>    Affects Versions: Impala 4.0
>            Reporter: Fang-Yu Rao
>            Assignee: Fang-Yu Rao
>            Priority: Critical
>              Labels: backwards-compatibility, security
>
> We found that the {{SHOW GRANT}} statement does not really perform a check for the requesting user to determine whether the requesting user is authorized to access the result. Specifically, there is no such check in [RangerImpaladAuthorizationManager#getPrivileges()|https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/authorization/ranger/RangerImpaladAuthorizationManager.java#L340-L403].
> Recall that such a check was performed when we were using Sentry as the authorization provider. Refer to [SentryImpaladAuthorizationManager#getPrivileges()|https://gerrit.cloudera.org/c/15833/8/fe/src/main/java/org/apache/impala/authorization/sentry/SentryImpaladAuthorizationManager.java#b203].
> Such an issue is partly due to the fact that we do not have a dedicated Ranger API to check whether a user is a Ranger administrator, which is also currently tracked at [RANGER-3127|https://issues.apache.org/jira/browse/RANGER-3127].



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