ESB-2018.0520 - [Win][Linux][HP-UX][Solaris][AIX] CICS Transaction Gateway: Multiple vulnerabilities 2018-02-22

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0520
               IBM CICS Transaction Gateway security updates
                             22 February 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           CICS Transaction Gateway
Publisher:         IBM
Operating System:  Windows
                   Linux variants
                   Solaris
                   AIX
                   HP-UX
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Access Privileged Data          -- Existing Account            
                   Denial of Service               -- Remote/Unauthenticated      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-10356 CVE-2017-10347 CVE-2017-10346
                   CVE-2017-10345 CVE-2017-10281 CVE-2016-9841

Reference:         ASB-2017.0219
                   ASB-2017.0173
                   ESB-2017.0805
                   ESB-2017.0492

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22013782

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CICS Transaction Gateway for Multiplatforms


Document information

More support for: CICS Transaction Gateway
Security

Software version: 9.0, 9.1, 9.2

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows

Software edition: All

Reference #: 2013782

Modified date: 19 February 2018


Security Bulletin: CICS Transaction Gateway for Multiplatforms

Summary

Multiple security vulnerabilities exist in the JREs shipped with CICS
Transaction Gateway (CICS TG) for client applications. CICS TG itself is not
vulnerable to all these risks but client side applications using the CICS TG
supplied JREs might be.

Vulnerability Details

CVEID: CVE-2017-10345
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded, JRockit 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: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
133774 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2017-10281
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded, JRockit 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: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
133720 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-2017-10347
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, JRockit 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: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
133776 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-2016-9841
DESCRIPTION: zlib is vulnerable to a denial of service, caused by an
out-of-bounds pointer arithmetic in inftrees.c. By persuading a victim to open
a specially crafted document, a remote attacker could exploit this
vulnerability to cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
120509 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2017-10356
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded, JRockit Security component could allow an unauthenticated
attacker to obtain sensitive information resulting in a high confidentiality
impact using unknown attack vectors.
CVSS Base Score: 6.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
133785 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:N/A:N)

CVEID: CVE-2017-10346
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded Hotspot component could allow an unauthenticated attacker
to take control of the system.
CVSS Base Score: 9.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
133775 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)

Affected Products and Versions

CICS Transaction Gateway for Multiplatforms v9.0, v9.1 and v9.2. Inclusion in
this list does not imply that all the products are supported. See the IBM
Support Lifecycle page for product end of support dates

Remediation/Fixes

Updated JREs have been made available on Fix Central. 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:
http://www.ibm.com/support/fixcentral/swg/identifyFixes?query.parent=ibm~Other
software&query.product=ibm~WebSphere~CICS Transaction Gateway for
Multiplatforms&query.release=All&query.platform=All

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References

Complete CVSS v2 Guide
On-line Calculator v2


Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog


*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.

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