Security Bulletin: February 2022 :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. 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 References section for more information.

Vulnerability Details

CVEID:CVE-2021-35560
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Deployment component could allow an unauthenticated attacker to take control of the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211636 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)

CVEID:CVE-2021-35586
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the ImageIO 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211661 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2021-35578
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the JSSE 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211654 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2021-35564
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Keytool component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211640 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2021-35559
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Swing 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211635 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2021-35556
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Swing 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211632 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2021-35565
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the JSSE 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211641 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2021-35588
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the VM 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: 3.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211662 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2021-41035
**DESCRIPTION:**Eclipse Openj9 could allow a remote attacker to gain elevated privileges on the system, caused by not throwing IllegalAccessError for MethodHandles that invoke inaccessible interface methods. By persuading a victim to execute a specially-crafted program under a security manager, an attacker could exploit this vulnerability to gain elevated privileges and execute arbitrary code on the system.
CVSS Base score: 7.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/212010 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)|**Version(s)
**
—|—
CICS Transaction Gateway| v8.0.0.0 – 8.0.0.6
CICS Transaction Gateway| v8.1.0.0 – 8.1.0.5
CICS Transaction Gateway| v9.0.0.0 – 9.0.0.5
CICS Transaction Gateway| v9.1.0.0 – 9.1.0.3
CICS Transaction Gateway| v9.2.0.0 – 9.2.0.2

Remediation/Fixes

Updated JRE’s have been made available on Fix Central as Fix packs.
AIX: 8.0.7-CICSTG-AIXpSeries32-JRE-SR0
xLinux: 8.0.7-CICSTG-Linuxx8632-JRE-SR0
pLinux: 8.0.7-CICSTG-LinuxpSeries32-JRE-SR0
zLinux: 8.0.7-CICSTG-LinuxzSeries31-JRE-SR0
Windows:8.0.7-CICSTG-Windowsx8632-JRE-SR0

| 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: 7.1.5-CICSTG-AIXpSeries32-JRE-SR0
xLinux: 7.1.5-CICSTG-Linuxx8632-JRE-SR0
pLinux: 7.1.5-CICSTG-LinuxpSeries32-JRE-SR0
zLinux: 7.1.5-CICSTG-LinuxzSeries31-JRE-SR0
Windows: 7.1.5-CICSTG-Windowsx8632-JRE-SR0

| 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: 7.0.11-CICSTG-SolarisSPARC32-JRE-SR0
AIX: 7.0.11-CICSTG-AIXpSeries32-JRE-SR0
xLinux: 7.0.11-CICSTG-Linuxx8632-JRE-SR0
pLinux: 7.0.11-CICSTG-LinuxpSeries32-JRE-SR0
zLinux: 7.0.11-CICSTG-LinuxzSeries31-JRE-SR0
Windows: 7.0.11-CICSTG-Windowsx8632-JRE-SR0| 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=Al

Workarounds and Mitigations

None