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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.1778
                 Security Bulletin: Buffer overflow in V8
                               19 July 2016

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

Product:           IBM Rational Application Developer for WebSphere Software
Publisher:         IBM
Operating System:  Linux variants
                   OS X
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-1669  

Reference:         ASB-2016.0055
                   ESB-2016.1383
                   ESB-2016.1209

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21987182

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Security Bulletin: Buffer overflow in V8

Document information

More support for: Rational Application Developer for WebSphere Software 
Cordova

Software version: 9.1, 9.1.0.1, 9.1.1, 9.1.1.1, 9.1.1.2, 9.5, 9.5.0.1, 9.5.0.2

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

Reference #: 1987182

Modified date: 2016-07-18

Summary

Under certain conditions, V8 may improperly expand memory allocations in the 
`Zone::New` function. This could potentially be used to cause a Denial of 
Service via buffer overflow or as a trigger for a remote code execution.

Vulnerability Details

CVEID: CVE-2016-1669

DESCRIPTION: Google Chrome is vulnerable to a buffer overflow, caused by an 
error in V8. By persuading a victim to visit a specially-crafted Web site, a 
remote attacker could overflow a buffer and execute arbitrary code on the 
system or cause the application to crash.

CVSS Base Score: 6.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/113145 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:L/A:L)

Affected Products and Versions

IBM Rational Application Developer for WebSphere Software v9.1 and v9.5

Remediation/Fixes

Rational Application Developer 9.1.x and 9.5.x PI65665

Apply IBM SDK for Node.js Version 1.1 release updated equivalent to the 
Joyent Node.js API version 0.10.46 to the Cordova platform in 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

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support 
alerts like this.

References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

18 July 2016: Original copy 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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