ESB-2018.2506 - [Win][Linux][OSX] IBM Rational Application Developer: Denial of service - Remote/unauthenticated 2018-08-23

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2506
Security Bulletin: Multiple vulnerabilities in Node.js affect IBM Rational
               Application Developer for WebSphere Software
                     (CVE-2018-1000168, CVE-2018-7161)
                              23 August 2018

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

Product:           IBM Rational Application Developer
Publisher:         IBM
Operating System:  Linux variants
                   OS X
                   Windows
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1000168 CVE-2018-7161 

Reference:         ESB-2018.1980

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swgrat&mynp

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Security Bulletin: Multiple vulnerabilities in Node.js affect IBM Rational
Application Developer for WebSphere Software (CVE-2018-1000168, CVE-2018-7161)

Document information

More support for: Rational Application Developer for WebSphere Software

Software version: 9.6.1.1

Operating system(s): Linux, OS X, Windows

Reference #: 0728705

Modified date: 22 August 2018

Summary

Multiple Node.js vulnerabilities were disclosed by the Node.js project.
Node.js is used by the Cordova tools in IBM Rational Application Developer for
WebSphere Software. IBM Rational Application Developer for WebSphere Software
has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2018-1000168
DESCRIPTION: nghttp2 is vulnerable to a denial of service, caused by a NULL
pointer dereference. By sending a specially-crafted packet, a remote attacker
could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
141584 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-2018-7161
DESCRIPTION: Node.js is vulnerable to a denial of service, caused by an error
within the http2 implementation. By interacting with the http2 server in an
insecure manner, a remote attacker could exploit this vulnerability to cause
the node server providing an http2 server to crash.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
144736 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:H)

Affected Products and Versions

Rational Application Developer 9.6.1.1

Remediation/Fixes

Update the IBM SDK, Java Technology Edition of the product to address this
vulnerability:

+--------------------------+---------+-------------+------------------------------------------------+
|Product                   |VRMF     |APAR         |Remediation/First Fix                           |
+--------------------------+---------+-------------+------------------------------------------------+
|Rational Application      |9.6.1.1  |PH02037      |Apply Node.js 8.11.4 to the Cordova platform in |
|Developer                 |         |             |the product.                                    |
|                          |         |             |                                                |
|                          |         |             |Installation instructions for applying the      |
|                          |         |             |update to the Cordova platform in the product   |
|                          |         |             |can be found here:                              |
|                          |         |             |                                                |
|                          |         |             |Upgrading the IBM SDK for Node.js used by       |
|                          |         |             |Cordova                                         |
+--------------------------+---------+-------------+------------------------------------------------+

Workarounds and Mitigations

No known workarounds.

Change History

22 August 2018: Original document 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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