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Security Bulletin: 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 Streams4.1.1.x
InfoSphere Streams4.2.1.x
InfoSphere Streams4.3.1.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

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

 

Change History

07 May 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.

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

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Document Information

Modified date:
21 May 2020

UID

ibm16207088

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