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The OS must limit privileges to change the DB2 software resident within software libraries (including privileged programs).

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-213689DB2X-00-002900SV-213689r879586_ruleCCI-001499medium
Description
If the system were to allow any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process. Accordingly, only qualified and authorized individuals shall be allowed to obtain access to information system components for purposes of initiating changes, including upgrades and modifications. Unmanaged changes that occur to the database software libraries or configuration can lead to unauthorized or compromised installations.
STIGDate
IBM DB2 V10.5 LUW Security Technical Implementation Guide2023-06-11

Related Frameworks

1 mapping across 3 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

CHG-04.5Library Privileges
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (56) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-17(1)Monitoring and Control
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(10)Shared and Group Account Credential Change
1.00
AC-2(2)Automated Temporary and Emergency Account Management
1.00
AC-2(3)Disable Accounts
1.00
AC-2(4)Automated Audit Actions
1.00
AC-3Access Enforcement
1.00
AC-3(7)Role-based Access Control
1.00
AC-4Information Flow Enforcement
1.00
AC-6(10)Prohibit Non-privileged Users from Executing Privileged Functions
1.00

+46 more (top 10 by confidence shown)

CCI1 mapping
CCI-001499
1.00

Details

Check Text (C-213689r879586_chk)

Run the db2level command to find the installation directory of DB2 server software: $db2level If any user other than the sysadmin and root users has write permission on these directories and subsequent subdirectories under this directory, this is a finding. On Linux and UNIX operating systems, the instance directory is located in the $INSTHOME/sqllib directory, where $INSTHOME is the home directory of the instance owner. On Windows operating systems, the instance directory is located under the /sqllib directory where the DB2 database product was installed. If any user other than the instance owner and the root user has write permission to instance home directory and subsequent subdirectories under it, this is a finding.

Fix Text (F-14908r295117_fix)

Remove the write permission from non-root, non-sysadmin users on the DB2 installation base directory and instance home directory.