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DB2 - Problem description

Problem IT31969 Status: Closed

EXTRA PRIVILEGES ON NULLID.ATSO05 PACKAGE ARE ADDED TO PUBLIC AFTER
RESTORING OLDER RESTRICTIVE DATABASE IMAGE

product:
DB2 FOR LUW / DB2FORLUW / B50 - DB2
Problem description:
The extra BINDAUTH and EXECUTEAUTH privileges on NULLID.ATSO05
package are added to PUBLIC on Db2 v11.5 after restoring older
RESTRICTIVE database image as below.

The original database is a RESTRICTIVE database and the extra
BINDAUTH and EXECUTEAUTH privileges should not be added even
after restoring RESTRICTIVE database.

* The privileges on the original RESTRICTIVE database

$ db2 "select DISTINCT substr(GRANTOR,1,15) as
GRANTOR,substr(GRANTEE,1,15) as
GRANTEE,GRANTEETYPE,substr(PKGSCHEMA,1,15) as
PKGSCHEMA,CONTROLAUTH,BINDAUTH,EXECUTEAUTH from
syscat.PACKAGEAUTH"

GRANTOR         GRANTEE         GRANTEETYPE PKGSCHEMA
CONTROLAUTH BINDAUTH EXECUTEAUTH
--------------- --------------- ----------- ---------------
----------- -------- -----------
SYSIBM          DB2INST1        U           NULLID          Y
G        G
SYSIBM          DB2INST1        U           SYSIBMADM       Y
G        G
SYSIBM          DB2INST1        U           SYSIBMINTERNAL  Y
G        G
SYSIBM          DB2INST1        U           SYSPROC         Y
G        G

  4 record(s) selected.

* The extra privileges on the restored RESTRICTIVE database

$ db2 "select DISTINCT substr(GRANTOR,1,15) as
GRANTOR,substr(GRANTEE,1,15) as
GRANTEE,GRANTEETYPE,substr(PKGSCHEMA,1,15) as
PKGSCHEMA,CONTROLAUTH,BINDAUTH,EXECUTEAUTH from
syscat.PACKAGEAUTH"

GRANTOR         GRANTEE         GRANTEETYPE PKGSCHEMA
CONTROLAUTH BINDAUTH EXECUTEAUTH
--------------- --------------- ----------- ---------------
----------- -------- -----------
SYSIBM          DB2INST1        U           NULLID          Y
G        G
SYSIBM          DB2INST1        U           SYSIBMADM       Y
G        G
SYSIBM          DB2INST1        U           SYSIBMINTERNAL  Y
G        G
SYSIBM          DB2INST1        U           SYSPROC         Y
G        G
DB2INST1        PUBLIC          G           NULLID          N
Y        Y

  5 record(s) selected.

$ db2 "select char(GRANTOR,10) GRANTOR, char(GRANTEE,10)
GRANTEE, GRANTEETYPE, char(PKGSCHEMA,10) PKGSCHEMA,
char(PKGNAME,16) PKGNAME, CONTROLAUTH, BINDAUTH, EXECUTEAUTH
from syscat.PACKAGEAUTH where PKGSCHEMA = 'NULLID' and  GRANTEE
= 'PUBLIC'"

GRANTOR    GRANTEE    GRANTEETYPE PKGSCHEMA  PKGNAME
CONTROLAUTH BINDAUTH EXECUTEAUTH
---------- ---------- ----------- ---------- ----------------
----------- -------- -----------
DB2INST1   PUBLIC     G           NULLID     ATSO05           N
Y        Y
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* RESTRICTIVE DATABASE User                                    *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to DB2 Version 11.5 FixPack 4 or later               *
****************************************************************
Local Fix:
Revoke privileges from PUBLIC user
Solution
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : 
follow-up : IT32042 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
24.02.2020
24.04.2020
24.04.2020
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)