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             AUSCERT External Security Bulletin Redistribution

           Security Bulletin: Vulnerabilities in Swagger affects
                   WebSphere Application Server Liberty
                                22 May 2020


        AusCERT Security Bulletin Summary

Product:           WebSphere Application Server Liberty
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-17495  

Reference:         ESB-2020.1019

Original Bulletin: 

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Vulnerabilities in Swagger affects WebSphere Application Server Liberty

Security Bulletin


There are vulnerabilities in Swagger that affects WebSphere Application Server
Liberty used by IBM Streams. IBM Streams has addressed the applicable CVEs.

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)|
|InfoSphere Streams  |4.1.1.x   |
|InfoSphere Streams  |4.2.1.x   |
|InfoSphere Streams  |4.3.1.x   |


NOTE:Fix Packs are available on IBM Fix Central.

To remediate/fix this issue, follow the instructions below:

Version 4.3.x: Apply 4.3.0 Fix Pack 1 ( or higher .
Version 4.2.x: Apply 4.2.1 Fix Pack 4 ( or higher .
Version 4.1.x: Apply 4.1.1 Fix Pack 6 ( or higher .
Versions 4.0.x,3.2.x, 3.1.x, and 3.0.x: For versions earlier than 4.x.x, IBM
recommends upgrading to a fixed, supported version/release/platform of the
product. Customers who cannot upgrade and need to secure their installation
should open a PMR with IBM Technical Support and request assistance securing
their InfoSphere Streams system against the vulnerabilities identified in this
Security Bulletin.

Workarounds and Mitigations


Get Notified about Future Security Bulletins


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