IBM Support

Security Bulletin: Potential denial of service vulnerability in WebSphere Application Server Liberty Core affect CICS Transaction Gateway

Created by Nageswararao G… on
Published URL:
https://www.ibm.com/support/pages/node/1073466
1073466

Security Bulletin


Summary

Out of Memory Exception can cause denial of service in WebSphere Application Server Liberty Core used by CICS Transaction Gateway affects Web Service requests. CICS Transaction Gateway addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2019-4046
DESCRIPTION: IBM WebSphere Application Server is vulnerable to a denial of service, caused by improper handling of request headers. A remote attacker could exploit this vulnerability to cause the consumption of Memory.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/156242 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

CICS Transaction Gateway v9.1.0.0 – 9.1.0.3
CICS Transaction Gateway v9.2.0.0 – 9.2.0.2

Remediation/Fixes

Upgrade the WebSphere Application Server Liberty Core used by CICS TG Gateway daemon. Updated WebSphere Application Server Liberty Core files used by Gateway daemon are made available on Fix Central.

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

Change History

11 September 2019: Original version published

*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:
09 December 2021

UID

ibm11073466

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