-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

                               ESB-2016.0226
        Security Bulletin: Vulnerability in MD5 Signature and Hash
            Algorithm affects IBM MessageSight (CVE-2015-7575)
                              29 January 2016

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

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

Product:           IBM MessageSight
Publisher:         IBM
Operating System:  Network Appliance
                   Virtualisation
Impact/Access:     Provide Misleading Information -- Remote with User Interaction
                   Unauthorised Access            -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-7575  

Reference:         ASB-2016.0004
                   ESB-2016.0221
                   ESB-2016.0219
                   ESB-2016.0197
                   ESB-2016.0196
                   ESB-2016.0190
                   ESB-2016.0176
                   ESB-2016.0049
                   ESB-2016.0047
                   ESB-2016.0046

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21974877

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

Security Bulletin: Vulnerability in MD5 Signature and Hash Algorithm affects
IBM MessageSight (CVE-2015-7575)

Security Bulletin

Document information

More support for:

IBM MessageSight

Security

Software version:

1.1, 1.2

Operating system(s):

Platform Independent

Reference #:

1974877

Modified date:

2016-01-27

Summary

The MD5 SLOTH vulnerability on TLS 1.2 affects IBM MessageSight.

Vulnerability Details

CVEID:

CVE-2015-7575

DESCRIPTION: The TLS protocol could allow weaker than expected security caused by a
collision attack when using the MD5 hash function for signing a
ServerKeyExchange message during a TLS handshake. An attacker could exploit
this vulnerability using man-in-the-middle techniques to impersonate a TLS
server and obtain credentials.

CVSS Base Score: 7.1

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/109415

for the current score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

IBM MessageSight 1.2.0.3 and below

Remediation/Fixes

Product
                  VRMF  APAR     Remediation/First Fix
IBM MessageSight  1.1   IT13410  1.1.0.1-IBM-IMAIFIT13410

IBM MessageSight  1.2   IT13392  1.2.0.3-IBM-IMA-IFIT13392


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

January 27 2015: 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--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=uGo0
-----END PGP SIGNATURE-----