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.
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 126.96.36.199
IBM Content Navigator 3.0.2
IBM Content Navigator 3.0.3
|IBM Content Navigator||188.8.131.52||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/)|
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.
Get Notified about Future Security Bulletins
28th June 2018 Original Version Published
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
09 July 2018