Security Bulletin: Missing access restriction on service types in IBM Business Process Manager (BPM) and WebSphere Lombardi Edition (CVE-2014-4758)

Summary

When invoking a service using the callService URL, there is no access restriction based on the service type and services that were meant for internal use only are available for authenticated users.

Vulnerability Details

CVE ID:CVE-2014-4758

DESCRIPTION:
IBM Business Process Manager and Lombardi Edition are vulnerable to an authenticated remote attacker accessing services that were meant for internal use only.

**CVSS: *CVSS Base Score: 4.0
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/94485&gt; for the current score
CVSS Environmental Score: Undefined
CVSS Vector: (AV:N/AC:L/Au:S/C:N/I:P/A:N)

Affected Products and Versions

• IBM Business Process Manager Standard V7.5.x, 8.0.x 8.5.x
• IBM Business Process Manager Express V7.5.x, 8.0.x 8.5.x
• IBM Business Process Manager Advanced V7.5.x, 8.0.x 8.5.x
• IBM WebSphere Lombardi Edition V7.2.x

Remediation/Fixes

Install the interim fix for APAR JR50215 as appropriate for your current IBM Business Process Manager or WebSphere Lombardi Edition version.

• IBM Business Process Manager Express
• IBM Business Process Manager Standard
• IBM Business Process Manager Advanced
• IBM WebSphere Lombardi Edition

If you are using earlier unsupported versions, IBM strongly recommends upgrading to a supported version.

Note: This fix, by default, prevents access to services of types other than Ajax service. A new configuration option is available to enable other service types for backwards compatibility. See the APAR description for more details.

Workarounds and Mitigations

None