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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.0571
Security Bulletin: Flex System Chassis Management Module (CMM) is affected
      by vulnerabilities in OpenSSL (CVE-2014-0160 and CVE-2014-0076)
                               23 April 2014

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

Product:           IBM Flex System Chassis Management Module
                   IBM Flex System Enterprise Chassis
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Access Privileged Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-0160 CVE-2014-0076 

Reference:         ASB-2014.0042
                   ESB-2014.0568
                   ESB-2014.0548
                   ESB-2014.0535
                   ESB-2014.0534
                   ESB-2014.0532
                   ESB-2014.0513
                   ESB-2014.0502
                   ESB-2014.0498
                   ESB-2014.0457

Original Bulletin: 
   http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095143

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Security Bulletin: Flex System Chassis Management Module (CMM) is affected by 
vulnerabilities in OpenSSL (CVE-2014-0160 and CVE-2014-0076)

Abstract

Security vulnerabilities have been discovered in OpenSSL.

Content

Vulnerability Details:

CVE ID: CVE-2014-0160

Description:
OpenSSL could allow a remote attacker to obtain sensitive information, caused 
by an error in the TLS/DTLS heartbeat functionality. An attacker could exploit 
this vulnerability to expose 64k of private memory and retrieve secret keys. 
An attacker can repeatedly expose additional 64k chunks of memory. This 
vulnerability can be remotely exploited, authentication is not required and 
the exploit is not complex. It can be exploited on any system (ie. server, 
client, agent) receiving connections using the vulnerable OpenSSL library.
CVSS Base Score: 5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/92322
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

Warning: We strongly encourage you to take action as soon as possible as 
potential implications to your environment may be more serious than indicated 
by the CVSS score.

CVE-ID: CVE-2014-0076

Description:

OpenSSL could allow a local attacker to obtain sensitive information, caused 
by an implementation error in ECDSA (Elliptic Curve Digital Signature 
Algorithm). An attacker could exploit this vulnerability using the 
FLUSH+RELOAD cache side-channel attack to recover ECDSA nonces. This 
vulnerability can only be exploited locally, authentication is not required 
and the exploit is not complex.
CVSS Base Score: 2.1
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/91990
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N)
Affected products and versions

Products

   Flex System Chassis Management Module, Option part number 68Y7029
   Flex System Enterprise Chassis, Types 7893, 8721, 8724

Chassis Management Module (CMM) Affected Firmware Versions:

   v1.50.0 (2PET12D)
   v1.50.0 (2PEO12D)
   v1.50.1 (2PET12F)
   v1.50.1 (2PEO12F)
   v1.50.1 (2PET12G)
   v1.50.1 (2PEO12G)
   v1.50.1 (2PET12H)

Remediation:

IBM recommends updating to Chassis Management Module version 1.50.1 (2PET12I).

After applying the fix, additional instructions are needed for CVE-2014-0160

 1. Replace your SSL Certificates.
    You need to revoke existing SSL certificates and reissue new certificates. 
You need to be sure not to generate the new certificates using the old private 
key and create a new private key (ie using "openssl genrsa") and use that new 
private key to create the new certificate signing request (CSR).
 2. Reset User Credentials
    Users of network facing applications protected by a vulnerable version of 
OpenSSL should be forced to reset their passwords and should revoke any 
authentication or session related cookies set prior to the time OpenSSL was 
upgraded and force the user to re-authenticate.

Warning: Your Flex Systems chassis and other environment may require 
additional fixes for other products, including non-IBM products. Please 
replace the SSL certificates and reset the user credentials after applying the 
necessary fixes to your chassis/environment.

Regenerating the certificate authority on the CMM will automatically cause the 
private keys and certificates in use by the CMM as well as all IMM2 and FSP 
management devices in the chassis to automatically regenerate. For each 
chassis, the certificate authority (CA) may be regenerated using the web 
interface or the CLI. The interfaces for generating a new CA are the same as 
those described for downloading a CA on this page: 
http://pic.dhe.ibm.com/infocenter/flexsys/information/index.jsp?topic=%2Fcom.
ibm.acc.8721.doc%2Fcmm.html

Changing the certificates will cause the CMM, IMM2, and FSP to become 
untrusted by any entity that was relying on the certificates to establish 
trust, including the IBM Flex System Manager (if you have one in your 
environment). This can be remedied by using the instructions at the link above 
to download the CA certificate then importing it into your web browser trust 
store and the certificate trust store for any other entity needing to trust 
the chassis. If you have a Flex Systems Manager in your environment, follow 
these instructions to import the new CMM CA certificate into your FSM:

 1. In the left navigation area of the Flex System Manager management software 
interface, under “Security,” select “Certificate Trust Store.”
 2. Click the “Import” button.
 3. Click the “Browse” button. Browse to the file location of the CMM CA 
certificate to import and open it.
 4. Enter a value of your choice for the display name (e.g., identifying 
information about the chassis), and click “OK.”

See the following links for information about changing passwords at the CMM if 
the chassis is not centrally managed by an IBM Flex System Manager:

 * Web interface: http://pic.dhe.ibm.com/infocenter/flexsys/information/topic/com.ibm.acc.cmm.doc/cmm_ug_webinterfacepagesandroles.html
 * Command line interface: http://pic.dhe.ibm.com/infocenter/flexsys/information/topic/com.ibm.acc.cmm.doc/cli_command_users.html

Workaround(s) & Mitigation(s):
None known

References:
Complete CVSS Guide
On-line Calculator V2
OpenSSL Project vulnerability website
Heartbleed

Related Information:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement
None

Change History
18 April 2014: 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 Flash.

Note: 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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