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Security Bulletin: Jan 2020 : Multiple vulnerabilities in IBM Java Runtime affect CICS Transaction Gateway

Security Bulletin


Summary

There are multiple vulnerabilities in IBM® Runtime Environment Java™ Versions 7.0, 7.1 and 8.0 used by CICS Transaction Gateway. CICS Transaction Gateway has addressed the applicable CVEs.

Vulnerability Details

CVEID:   CVE-2020-2593
DESCRIPTION:   An unspecified vulnerability in Java SE related to the Java SE Networking component could allow an unauthenticated attacker to cause low confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 4.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174541 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:   CVE-2020-2659
DESCRIPTION:   An unspecified vulnerability in Java SE related to the Java SE Networking component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174606 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:   CVE-2020-2583
DESCRIPTION:   An unspecified vulnerability in Java SE related to the Java SE Serialization component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174531 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:   CVE-2019-4732
DESCRIPTION:   IBM SDK, Java Technology Edition Version 7.0.0.0 through 7.0.10.55, 7.1.0.0 through 7.1.4.55, and 8.0.0.0 through 8.0.6.0 could allow a local authenticated attacker to execute arbitrary code on the system, caused by DLL search order hijacking vulnerability in Microsoft Windows client. By placing a specially-crafted file in a compromised folder, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 172618.
CVSS Base score: 7.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172618 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM CICS Transaction Gateway9.1
IBM CICS Transaction Gateway9.2
IBM CICS Transaction Gateway9.0
IBM CICS Transaction Gateway8.1
IBM CICS Transaction Gateway8.0

Remediation/Fixes

If you run your own Java code using the IBM Java Runtime delivered with this product, you should evaluate your code to determine whether additional Java vulnerabilities are applicable to your code. For a complete list of vulnerabilities, refer to the "IBM Java SDK Security Bulletin", located in the Reference section for more information.
 
Otherwise, upgrade the JRE used by CICS TG Java client applications and/or the CICS TG Gateway daemon. Updated JREs which can used with CICS TG Java client applications and the Gateway daemon are made available on Fix Central.

 

Product
VRMF
APAR
Remediation / First Fix
CICS Transaction Gateway for Multiplatforms9.2.0.0
9.2.0.1
9.2.0.2
Updated JRE's have been made available on Fix Central as Fix packs.
AIX: 8.0.6-CICSTG-AIXpSeries32-JRE-SR5
xLinux: 8.0.6-CICSTG-Linuxx8632-JRE-SR5
pLinux: 8.0.6-CICSTG-LinuxpSeries32-JRE-SR5
zLinux: 8.0.6-CICSTG-LinuxzSeries31-JRE-SR5
Windows:8.0.6-CICSTG-Windowsx8632-JRE-SR5

https://www-945.ibm.com/support/fixcentral/swg/identifyFixes?query.parent=ibm~Other%20software&query.product=ibm~WebSphere~CICS%20Transaction%20Gateway%20for%20Multiplatforms&query.release=9.2.0&query.platform=All
CICS Transaction Gateway for Multiplatforms9.1.0.0
9.1.0.1
9.1.0.2
9.1.0.3
Updated JRE's have been made available on Fix Central as Fix packs.
Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR60
AIX: 7.1.4-CICSTG-AIXpSeries32-JRE-SR60
xLinux: 7.1.4-CICSTG-Linuxx8632-JRE-SR60
pLinux: 7.1.4-CICSTG-LinuxpSeries32-JRE-SR60
zLinux: 7.1.4-CICSTG-LinuxzSeries31-JRE-SR60
Windows: 7.1.4-CICSTG-Windowsx8632-JRE-SR60

https://www-945.ibm.com/support/fixcentral/swg/identifyFixes?query.parent=ibm~Other%20software&query.product=ibm~WebSphere~CICS%20Transaction%20Gateway%20for%20Multiplatforms&query.release=9.1.0&query.platform=All
CICS Transaction Gateway for Multiplatforms9.0.0.0
9.0.0.1
9.0.0.2
9.0.0.3
9.0.0.4
8.1.0.0
8.1.0.1
8.1.0.2
8.1.0.3
8.1.0.4
8.1.0.5
8.0.0.0
8.0.0.1
8.0.0.2
8.0.0.3
8.0.0.4
8.0.0.5
8.0.0.6
Updated JRE's have been made available on Fix Central as Fix packs.
Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR60
AIX: 7.0.10-CICSTG-AIXpSeries32-JRE-SR60
xLinux: 7.0.10-CICSTG-Linuxx8632-JRE-SR60
pLinux: 7.0.10-CICSTG-LinuxpSeries32-JRE-SR60
zLinux: 7.0.10-CICSTG-LinuxzSeries31-JRE-SR60
Windows: 7.0.10-CICSTG-Windowsx8632-JRE-SR60
https://www-945.ibm.com/support/fixcentral/swg/identifyFixes?query.parent=ibm~Other%20software&query.product=ibm~WebSphere~CICS%20Transaction%20Gateway%20for%20Multiplatforms&query.release

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

Change History

16 Mar 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

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Document Information

Modified date:
20 March 2020

UID

ibm15967777