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ESB-2016.0750 - [Win][Linux][OSX] IBM Rational Application Developer for WebSphere Software: Multiple vulnerabilities

Date: 22 March 2016
References: ASB-2016.0019  ESB-2016.0634  ESB-2016.0636  ESB-2016.0650  ESB-2016.0661  ESB-2016.0678  ESB-2016.0783  

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0750
Security Bulletin: Multiple vulnerabilities in OpenSSL affect IBM Rational
Application Developer for WebSphere Software (CVE-2016-0705, CVE-2016-0798,
CVE-2016-0797, CVE-2016-0799, CVE-2016-0702, CVE-2016-0703, CVE-2016-0704)
                               22 March 2016

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

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

Product:           IBM Rational Application Developer for WebSphere Software
Publisher:         IBM
Operating System:  Linux variants
                   OS X
                   Windows
Impact/Access:     Access Privileged Data         -- Remote/Unauthenticated
                   Denial of Service              -- Remote/Unauthenticated
                   Provide Misleading Information -- Remote/Unauthenticated
                   Reduced Security               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-0799 CVE-2016-0797 CVE-2016-0705
                   CVE-2016-0703 CVE-2016-0702 

Reference:         ASB-2016.0019
                   ESB-2016.0678
                   ESB-2016.0661
                   ESB-2016.0650
                   ESB-2016.0636
                   ESB-2016.0634

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21979498

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

Security Bulletin: Multiple vulnerabilities in OpenSSL affect IBM Rational 
Application Developer for WebSphere Software (CVE-2016-0705, CVE-2016-0798, 
CVE-2016-0797, CVE-2016-0799, CVE-2016-0702, CVE-2016-0703, CVE-2016-0704)

Document information

More support for:

Rational Application Developer for WebSphere Software

General Information

Software version:

9.1, 9.1.0.1, 9.1.1, 9.1.1.1, 9.5, 9.5.0.1

Operating system(s):

Linux, OS X, Windows

Reference #:

1979498

Modified date:

2016-03-21

Security Bulletin

Summary

OpenSSL vulnerabilities were disclosed on March 1, 2016 by the OpenSSL 
project. OpenSSL 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-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 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:L)

CVEID: CVE-2016-0798

DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a memory
leak in SRP servers. An attacker could exploit this vulnerability using a 
specially crafted username value to cause a denial of service.

CVSS Base Score: 3.7

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/111141 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:L)

CVEID: CVE-2016-0797

DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a NULL 
pointer dereference in the BN_hex2bn/BN_dec2bn() function. An attacker could 
exploit this vulnerability using specially crafted data to cause a denial of 
service.

CVSS Base Score: 3.7

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/111142 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:L)

CVEID: CVE-2016-0799

DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive 
information, caused by a memory error in the BIO_*printf() functions. An 
attacker could exploit this vulnerability using specially crafted data to 
trigger an out-of-bounds read.

CVSS Base Score: 3.7

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/111143 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2016-0702

DESCRIPTION: OpenSSL could allow a local attacker to obtain sensitive 
information, caused by a side-channel attack against a system based on the 
Intel Sandy-Bridge microarchitecture. An attacker could exploit this 
vulnerability to recover RSA keys.

CVSS Base Score: 2.9

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/111144 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2016-0703

DESCRIPTION: OpenSSL could allow a remote attacker to bypass security 
restrictions, caused by the failure to enforce that a clear-key-length value 
is 0 for non-export ciphers by the SSLv2 's2_srvr.c code. When clear-key bytes
displace encrypted-key bytes, an attacker could exploit this vulnerability to
conduct a divide-and-conquer key recovery attack.

CVSS Base Score: 7.4

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/111145 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID: CVE-2016-0704

DESCRIPTION: OpenSSL could allow a remote attacker to bypass security 
restrictions. The s2_srvr.c code overwrites the wrong bytes in the master-key
when applying Bleichenbacher protection for export cipher suites. An attacker
could exploit this vulnerability using a Bleichenbacher oracle to decrypt 
sessions.

CVSS Base Score: 5.9

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/111146 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)

Affected Products and Versions

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

Remediation/Fixes

Update the IBM SDK for Node.js using by the Cordova platform in the product to
address this vulnerability:

Product 			VRMF 			APAR 		Remediation/First Fix

Rational Application Developer 	9.1.x and 9.5.x 	PI59473		Apply IBM SDK for Node.js Version 1.1 release updated equivalent to the Joyent
									Node.js API version 0.10.43 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

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

* March 22 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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