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ESB-2016.0606 - [Appliance] IBM WebSphere Cast Iron: Multiple vulnerabilities

Date: 08 March 2016
References: ASB-2016.0017  ESB-2016.0549  ESB-2016.0580  ASB-2016.0020  ESB-2016.0596  ESB-2016.0602  ESB-2016.0631  ESB-2016.0632  ESB-2016.0671  

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

                               ESB-2016.0606
Security Bulletin: GNU C library (glibc) and OpenSSL vulnerabilities affect
             WebSphere Cast Iron. (CVE-2015-7547 CVE-2015-3193
         CVE-2015-3194 CVE-2015-3195 CVE-2015-3196 CVE-2015-1794)
                               8 March 2016

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

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

Product:           IBM WebSphere Cast Iron
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Access Privileged Data          -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-7547 CVE-2015-3196 CVE-2015-3195
                   CVE-2015-3194 CVE-2015-3193 CVE-2015-1794

Reference:         ASB-2016.0020
                   ASB-2016.0017
                   ESB-2016.0602
                   ESB-2016.0596
                   ESB-2016.0580
                   ESB-2016.0549

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21978339

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

Security Bulletin: GNU C library (glibc) and OpenSSL vulnerabilities affect 
WebSphere Cast Iron. (CVE-2015-7547 CVE-2015-3193 CVE-2015-3194 CVE-2015-3195
CVE-2015-3196 CVE-2015-1794)

Document information

More support for:

WebSphere Cast Iron Cloud integration

Software version:

6.1.0.6, 6.1.0.7, 6.1.0.8, 6.1.0.9, 6.1.0.12, 6.1.0.15, 6.3, 6.3.0.1, 6.3.0.2,
6.4.0.0, 6.4.0.1, 7.0.0, 7.0.0.1, 7.0.0.2, 7.0.0.3, 7.5.0.0, 7.5.0.1

Operating system(s):

Firmware

Reference #:

1978339

Modified date:

2016-03-07

Security Bulletin

Summary

A GNU C library (glibc) stack-based buffer overflow in getaddrinfo() 
vulnerability affects WebSphere Cast Iron.

OpenSSL vulnerabilities were disclosed on December 3, 2015 by the OpenSSL 
Project. OpenSSL is used by WebSphere Cast Iron. WebSphere Cast Iron has 
addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2015-7547

DESCRIPTION: GNU C Library (glibc) is vulnerable to a stack-based buffer 
overflow, caused by improper bounds checking by the nss_dns backend for the 
getaddrinfo() function when performing dual A/AAAA DNS queries. By sending a 
specially crafted DNS response, a remote attacker could overflow a buffer and
execute arbitrary code on the system or cause the application to crash.

CVSS Base Score: 8.1

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/110662 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:H)

CVEID: CVE-2015-3193

DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive 
information, caused by an error in the x86_64 Montgomery squaring procedure. 
An attacker with online access to an unpatched system could exploit this 
vulnerability to obtain private key information.

CVSS Base Score: 5.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/108502 for the current 
score

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-2015-3194

DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a NULL 
pointer dereference when verifying certificates via a malformed routine. An 
attacker could exploit this vulnerability using signature verification 
routines with an absent PSS parameter to cause any certificate verification 
operation to crash.

CVSS Base Score: 5.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/108503 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-2015-3195

DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive 
information, caused by a memory leak in a malformed X509_ATTRIBUTE structure.
An attacker could exploit this vulnerability to obtain CMS data and other 
sensitive information.

CVSS Base Score: 5.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/108504 for the current 
score

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-2015-3196

DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a race 
condition when PSK identity hints are received by a multi-threaded client and
the SSL_CTX structure is updated with the incorrect value. An attacker could 
exploit this vulnerability to possibly corrupt memory and cause a denial of 
service.

CVSS Base Score: 3.7

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/108505 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-2015-1794

DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an error
when a client receives a ServerKeyExchange for an anonymous DH ciphersuite 
with the value of p set to 0. An attacker could exploit this vulnerability to
trigger a segfault and cause a denial of service.

CVSS Base Score: 3.7

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/108539 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)

Affected Products and Versions

WebSphere Cast Iron v 7.5.0.x,

WebSphere Cast Iron v 7.0.0.x,

WebSphere Cast Iron v 6.4.0.x

WebSphere Cast Iron v 6.3.0.x

WebSphere Cast Iron v 6.1.0.x

Remediation/Fixes

Product 		VRMF 		APAR 		Remediation/First Fix

Cast Iron Appliance	7.5.* 		LI78975 	iFix 7.5.0.1-CUMUIFIX-004

Cast Iron Appliance 	7..0* 		LI78975 	iFix 7.0.0.2-CUMUIFIX-027

Cast Iron Appliance 	6.4.0.x 	LI78975 	iFix 6.4.0.1-CUMUIFIX-037

Cast Iron Appliance 	6.3.0.x 	LI78975 	iFix 6.3.0.2-CUMUIFIX-020

Cast Iron Appliance 	6.1.0.x 	LI78975 	iFix 6.1.0.15-CUMUIFIX-026

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide

On-line Calculator v2

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

<2016/03/04> : 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.

- --------------------------END INCLUDED TEXT--------------------

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