There is a Swagger vulnerability that affects WebSphere Application Server Liberty. This affects the mpOpen-1.x and openAPI-3.x features. This vulnerability has been addressed.
DESCRIPTION: Swagger UI could allow a remote attacker to obtain sensitive information, caused by a CSS injection flaw. By using the relative path overwrite (RPO) attack technique, an attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/169050 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Affected Products and Versions
|WebSphere Application Server Liberty||188.8.131.52 - 184.108.40.206|
For WebSphere Application Server Liberty using mpOpenAPI-1.0, mpOpenAPI-1.1, openAPI-3.0 or openAPI-3.1 features:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH20161
· Apply Fix Pack 220.127.116.11 or later (targeted availability 1Q2020).
Additional interim fixes may be available and linked off the interim fix download page.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
20 January 2020: Initial Publication
*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.
20 January 2020