ESB-2018.3600 - [Win][Linux][AIX] IBM Host On-Demand: Multiple vulnerabilities 2018-11-19

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3600
    Multiple vulnerabilities in IBM Java Runtime affect Host On-Demand
                             19 November 2018

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

Product:           IBM Host On-Demand
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Modify Arbitrary Files          -- Remote/Unauthenticated
                   Delete Arbitrary Files          -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-2973 CVE-2018-2964 CVE-2018-2940
                   CVE-2018-1517 CVE-2017-3736 CVE-2017-3732
                   CVE-2016-0705  

Reference:         ASB-2018.0244
                   ASB-2018.0170
                   ASB-2018.0017
                   ASB-2017.0110

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10735515

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect Host
On-Demand

Security Bulletin

Document information

More support for: Rational Host On-Demand

Software version: 12.0, 12.0.1, 12.0.2, 12.0.3, 12.0.4, 13.0, 13.0.1, 13.0.1.1

Operating system(s): AIX, Linux, Windows

Reference #: 0735515

Modified date: 16 November 2018

Summary

There are multiple vulnerabilities in IBM(R) Runtime Environment Java(TM) Version
1.8 used by Host On-Demand. Host On-Demand has addressed the applicable CVEs.

Vulnerability Details

CVEID:  CVE-2018-2964
DESCRIPTION:  An unspecified vulnerability related to the Java SE Deployment
component could allow an unauthenticated attacker to take control of the
system.
CVSS Base Score: 8.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
146827 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID:  CVE-2018-2973
DESCRIPTION:  An unspecified vulnerability related to the Java SE JSSE
component could allow an unauthenticated attacker to cause no confidentiality
impact, high integrity impact, and no availability impact.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
146835 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID:  CVE-2018-2940
DESCRIPTION:  An unspecified vulnerability related to the Java SE Libraries
component could allow an unauthenticated attacker to obtain sensitive
information resulting in a low confidentiality impact using unknown attack
vectors.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
146803 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

CVEID:  CVE-2018-1517
DESCRIPTION:  A flaw in the java.math component in IBM SDK, Java Technology
Edition may allow an attacker to inflict a denial-of-service attack with
specially crafted String data.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
141681 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2016-0705
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a
double-free error when parsing DSA private keys.
An attacker could exploit this vulnerability to corrupt memory and cause a
denial of service.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
111140 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2017-3732
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive
information, caused by a carry propagating bug in the x86_64 Montgomery 
squaring procedure. An attacker could exploit this vulnerability to obtain 
information about the private key.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
121313 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2017-3736
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive
information, caused by a carry propagation flaw in the x86_64 Montgomery 
squaring function bn_sqrx8x_internal(). An attacker with online access to an 
unpatched system could exploit this vulnerability to obtain information about 
the private key.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
134397 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

  o Host On-Demand: 12.0 , 12.0.1, 12.0.2, 12.0.3 and 12.0.4
  o Host On-Demand: 13.0 ,13.0.1 and 13.0.1.1

Remediation/Fixes

For Server Fix

Upgrade to latest Host On-Demand

+----------+------------------+-----------------------------------------------+
| Product  |       VRMF       |                  Remediation                  |
+----------+------------------+-----------------------------------------------+
|Host      |12.0, 12.0.1,     |https://www-945.ibm.com/support/fixcentral/swg/|
|On-Demand |12.0.2, 12.0.3 and|selectFixes-parent=ibm%7ERational&product=ibm/ |
|          |12.0.4            |Rational/IBM+Personal+Communications&release=  |
|          |                  |12.0.4.1&platform=All&function=all             |
+----------+------------------+-----------------------------------------------+
|          |                  |https://www-945.ibm.com/support/fixcentral/swg/|
|Host      |13.0 ,13.0.1 and  |selectFixes-parent=ibm~Rational&product=ibm/   |
|On-Demand |13.0.1.1          |Rational/IBM+Personal+Communications&release=  |
|          |                  |13.0.2&platform=Windows&function=all           |
+----------+------------------+-----------------------------------------------+

 

For Client Fix

Upgrade to fixed IBM(R) Runtime Environments Java(TM) from the following location

https://www-945.ibm.com/support/fixcentral/swg/selectFixes-parent=
ibm%7ERational&product=ibm/Rational/IBM+Host+On-Demand&release=8.0.5.20&
platform=Windows&function=all

 

Workarounds and Mitigations

None

Important Note

IBM strongly suggests that all System z customers be subscribed to the System z
Security Portal to receive the latest critical System z security and integrity
service. If you are not subscribed, see the instructions on the System z
Security web site. Security and integrity APARs and associated fixes will be
posted to this portal. IBM suggests reviewing the CVSS scores and applying all
security or integrity fixes as soon as possible to minimize any potential risk.

Reference

Complete CVSS v3 Guide
On-line Calculator v3

IBM Java SDK Security Bulletin

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

CVE-2018-1517 was reported to IBM by Michael Weissbacher

Change History

02 November 2018: Original version published

*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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