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Bug#51770: UNINSTALL PLUGIN requires no privileges

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The problem was that UNINSTALL PLUGIN wasn't performing privilege
checks before removing a plugin. Any user (including users without 
any kind of privileges) could uninstall any plugin.

The solution is to verify if the user has the DELETE privilege for
the mysql.plugin table before uninstalling a plugin.
This commit is contained in:
Davi Arnaut
2010-03-09 09:16:17 -03:00
parent 64de23433d
commit 91223c4d25
4 changed files with 34 additions and 0 deletions
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20
mysql-test/t/plugin_not_embedded.test Normal file
View File

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--source include/not_embedded.inc
--source include/have_example_plugin.inc
--echo #
--echo # Bug#51770: UNINSTALL PLUGIN requires no privileges
--echo #
GRANT INSERT ON mysql.plugin TO bug51770@localhost;
connect(con1,localhost,bug51770,,);
eval INSTALL PLUGIN example SONAME $HA_EXAMPLE_SO;
--error ER_TABLEACCESS_DENIED_ERROR
UNINSTALL PLUGIN example;
connection default;
GRANT DELETE ON mysql.plugin TO bug51770@localhost;
FLUSH PRIVILEGES;
connection con1;
UNINSTALL PLUGIN example;
disconnect con1;
connection default;
DROP USER bug51770@localhost;