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AUSCERT External Security Bulletin Redistribution
ESB-2020.0268
Security Bulletin: Swagger vulnerability affects WebSphere
Application Server Liberty (CVE-2019-17495)
28 January 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere Application Server Liberty
Publisher: IBM
Operating System: Linux variants
IBM i
Windows
AIX
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-17495
Reference: ESB-2020.0258
ESB-2020.0010
Original Bulletin:
https://www.ibm.com/support/pages/node/1274596
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Swagger vulnerability affects WebSphere Application Server Liberty
(CVE-2019-17495)
Security Bulletin
Summary
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.
Vulnerability Details
CVEID: CVE-2019-17495
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
+------------------------------------+--------------------+
|Affected Product(s) |Version(s) |
+------------------------------------+--------------------+
|WebSphere Application Server Liberty|17.0.0.3 - 19.0.0.12|
+------------------------------------+--------------------+
Remediation/Fixes
The recommended solution is to apply the interim fix, Fix Pack or PTF
containing the APAR for each named product as soon as practical.
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
- --OR--
. Apply Fix Pack 20.0.0.1 or later (targeted availability 1Q2020).
Additional interim fixes may be available and linked off the interim fix
download page.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
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