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

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&gt; 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.

Product

|

VRMF

|

APAR

|

Remediation / First Fix

—|—|—|—
CICS Transaction Gateway for Multiplatforms | 9.2.0.0
9.2.0.1
9.2.0.2 | PH15037 | http://www.ibm.com/support/fixcentral/quickorder?product=ibm%2FWebSphere%2FCICS+Transaction+Gateway+for+Multiplatforms&fixids=92-CICSTG-Liberty-PH15037&source=SAR
CICS Transaction Gateway for Multiplatforms |

9.1.0.0
9.1.0.1
9.1.0.2

9.1.0.3

| PH15037 | http://www.ibm.com/support/fixcentral/quickorder?product=ibm%2FWebSphere%2FCICS+Transaction+Gateway+for+Multiplatforms&fixids=91-CICSTG-Liberty-PH15037&source=SAR

Workarounds and Mitigations

None