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AUSCERT External Security Bulletin Redistribution
ESB-2020.1835
Security Bulletin: Vulnerabilities in WebSphere liberty related to DOS
22 May 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere liberty
Publisher: IBM
Operating System: Linux variants
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-4720
Reference: ESB-2020.1644
ESB-2020.1019
ESB-2020.0564
ESB-2020.0509
Original Bulletin:
https://www.ibm.com/support/pages/node/6207088
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Vulnerabilities in WebSphere liberty related to DOS
Security Bulletin
Summary
There are vulnerabilities in WebSphere liberty related to DOS used by IBM
Streams. IBM Streams has addressed the applicable CVEs.
Vulnerability Details
CVEID: CVE-2019-4720
DESCRIPTION: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is
vulnerable to a denial of service, caused by sending a specially-crafted
request. A remote attacker could exploit this vulnerability to cause the server
to consume all available memory. IBM X-Force ID: 172125.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
172125 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
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 |
+--------------------+----------+
Remediation/Fixes
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 (4.3.1.2) or higher .
Version 4.2.x: Apply 4.2.1 Fix Pack 4 (4.2.1.10) or higher .
Version 4.1.x: Apply 4.1.1 Fix Pack 6 (4.1.1.12) 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
None
Get Notified about Future Security Bulletins
References
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