Security Bulletin
Summary
There is a potential information disclosure vulnerability in Global Name Management when using Enterprise Name Search. The information disclosure is due to an XML external entity (XXE) vulnerability. Customers not using Enterprise Name Search are not affected.
Vulnerability Details
CVEID: CVE-2019-4433 DESCRIPTION: IBM InfoSphere Global Name Management is vulnerable to an 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: 7.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/162890 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)
Affected Products and Versions
Remediation/Fixes
- Create the file <ENS install root>/java/jre/lib/jaxp.properties . Typically there is already a file named jaxp.properties.sample in that directory, with all of its contents commented out. Copy that file to a file named jaxp.properties, or create an empty file with that name. Then append the following lines to the end of the file:
javax.xml.accessExternalDTD=""
javax.xml.accessExternalSchema=""
javax.xml.accessExternalStylesheet=""
- Download and install IBM Infosphere Global Name Management 5.0.0.1 iFix008 or greater from IBM Fix Central.
Get Notified about Future Security Bulletins
References
Acknowledgement
The vulnerability was reported to IBM by Jose Castro Almeida.
Change History
09 August 2019: original document published
14 August 2019: Updated acknowledgement
*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.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
Was this topic helpful?
Document Information
Modified date:
20 April 2022
UID
ibm10958081