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

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-2020-14583
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause low confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 8.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185061 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID:CVE-2020-14593
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the 2D component could allow an unauthenticated attacker to cause no confidentiality impact, high integrity impact, and no availability impact.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185071 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N)

CVEID:CVE-2020-14556
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries 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/185034 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-2020-14579
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries 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/185057 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-2020-14578
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries 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/185056 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-2020-14577
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the JSSE component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185055 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID:CVE-2019-17639
**DESCRIPTION:**Eclipse OpenJ9 could allow a remote attacker to obtain sensitive information, caused by the premature return of the current method with an undefined return value. By invoking the System.arraycopy method with a length longer than the length of the source or destination array can, an attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185437 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

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.

Updated JRE’s have been made available on Fix Central as Fix packs.
AIX: 8.0.6-CICSTG-AIXpSeries32-JRE-SR15
xLinux: 8.0.6-CICSTG-Linuxx8632-JRE-SR15
pLinux: 8.0.6-CICSTG-LinuxpSeries32-JRE-SR15
zLinux: 8.0.6-CICSTG-LinuxzSeries31-JRE-SR15
Windows:8.0.6-CICSTG-Windowsx8632-JRE-SR15

Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR70

| 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 Multiplatforms| 9.1.0.0
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.
AIX: 7.1.4-CICSTG-AIXpSeries32-JRE-SR70
xLinux: 7.1.4-CICSTG-Linuxx8632-JRE-SR70
pLinux: 7.1.4-CICSTG-LinuxpSeries32-JRE-SR70
zLinux: 7.1.4-CICSTG-LinuxzSeries31-JRE-SR70
Windows: 7.1.4-CICSTG-Windowsx8632-JRE-SR70

Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR70

| 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 Multiplatforms|

9.0.0.0
9.0.0.1
9.0.0.2
9.0.0.3
9.0.0.4

9.0.0.5
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-SR70
AIX: 7.0.10-CICSTG-AIXpSeries32-JRE-SR70
xLinux: 7.0.10-CICSTG-Linuxx8632-JRE-SR70
pLinux: 7.0.10-CICSTG-LinuxpSeries32-JRE-SR70
zLinux: 7.0.10-CICSTG-LinuxzSeries31-JRE-SR70
Windows: 7.0.10-CICSTG-Windowsx8632-JRE-SR70| 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=9.0.0&query.platform=All

Workarounds and Mitigations

None