Security Bulletin: FileNet Content Management Interoperability Services (CMIS), which ships with IBM Content navigator, is affected by the ability to parse untrusted XML input containing a reference to an external entity

Summary

FileNet Content Management Interoperability Services (CMIS), which ships with IBM Content Navigator, is affected by the following vulnerability:
Ability to process untrusted XML input containing a reference to an external entity that is parsed by a weekly configured XML parser.

Vulnerability Details

CVE-ID:CVE-2018-1364
DESCRIPTION: IBM Content Navigator 2.0 and 3.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
CVSS Base Score: 8.2
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/137449 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM Content Navigator 2.0.3.8
IBM Content Navigator 3.0.2
IBM Content Navigator 3.0.3

Remediation/Fixes

Product

| VRMF | Remediation/First Fix
—|—|—
IBM Content Navigator | 2.0.3.8 | Download the fix ICN 2.0.3 FP8 LA 19 from IBM Fix central (https://www.ibm.com/support/fixcentral/ )
IBM Content Navigator | 3.0.2 | Download the fix ICN 3.0.2 LA 06 from IBM Fix central (https://www.ibm.com/support/fixcentral/)
IBM Content Navigator | 3.0.3 | Download the fix CMIS &CS 3.0.3-iFix004 from IBM Fix central (<https://www.ibm.com/support/fixcentral/&gt;)

Workarounds and Mitigations

FileNet Content Management Interoperability Services (CMIS) could allow a remote attacker to pass untrusted XML input containing a reference to an external entity. This attack may lead to the disclosure of confidential data, denial of service, Server Side Request Forgery (SSRF), port scanning from the perspective of the machine where the parser is located, and other system impacts. FileNet Content Management Interoperability Services (CMIS) leverages DocumentBuilderFactory, SchemaFactory parsers have been fixed to make sure the vulnerability is addressed.