Security Bulletin: 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

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.

CVEID: CVE-2019-2769 DESCRIPTION: An unspecified vulnerability related to the Java SE Utilities 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/163832&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2019-2762 DESCRIPTION: An unspecified vulnerability related to the Java SE Utilities 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/163826&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2019-2786 DESCRIPTION: An unspecified vulnerability related to the Java SE Security component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base Score: 3.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163849&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N)

CVEID: CVE-2019-2766 DESCRIPTION: An unspecified vulnerability related to the Java SE Networking component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base Score: 3.1
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163829&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N)

CVEID: CVE-2019-11772 DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by an out-of-bounds write in the String.getBytes method. An attacker could exploit this vulnerability to corrupt memory and write to any 32-bit address or beyond the end of a byte array within Java code run under a SecurityManager.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163990&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2019-11775 DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by an error where the loop versioner fails to privatize a value that is pulled out of the loop by versioning. An attacker could exploit this vulnerability to corrupt memory and trigger an out-of-array-bounds and perform invalid actions.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/164479&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2019-4473 DESCRIPTION: Multiple binaries in IBM SDK, Java Technology Edition on the AIX platform use insecure absolute RPATHs, which may facilitate code injection and privilege elevation by local users.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163984&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2019-11771 DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by the inclusion of unused RPATHS in AIX builds. An attacker could exploit this vulnerability to inject code and gain elevated privileges on the system.
CVSS Base Score: 8.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/163989&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

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 – 9.0.0.4
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 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 Multiplatforms | 9.2.0.0
9.2.0.1
9.2.0.2 | Updated JRE’s have been made available on Fix Central as Fix packs.
AIX: 8.0.5-CICSTG-AIXpSeries32-JRE-SR40
xLinux: 8.0.5-CICSTG-Linuxx8632-JRE-SR40
pLinux: 8.0.5-CICSTG-LinuxpSeries32-JRE-SR40
zLinux: 8.0.5-CICSTG-LinuxzSeries31-JRE-SR40
Windows:8.0.5-CICSTG-Windowsx8632-JRE-SR40 |
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.
Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR50
AIX: 7.1.4-CICSTG-AIXpSeries32-JRE-SR50
xLinux: 7.1.4-CICSTG-Linuxx8632-JRE-SR50
pLinux: 7.1.4-CICSTG-LinuxpSeries32-JRE-SR50
zLinux: 7.1.4-CICSTG-LinuxzSeries31-JRE-SR50
Windows: 7.1.4-CICSTG-Windowsx8632-JRE-SR50 |
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
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-SR50
AIX: 7.0.10-CICSTG-AIXpSeries32-JRE-SR50
xLinux: 7.0.10-CICSTG-Linuxx8632-JRE-SR50
pLinux: 7.0.10-CICSTG-LinuxpSeries32-JRE-SR50
zLinux: 7.0.10-CICSTG-LinuxzSeries31-JRE-SR50
Windows: 7.0.10-CICSTG-Windowsx8632-JRE-SR50 | 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