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AUSCERT External Security Bulletin Redistribution
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
Operating System: Network Appliance
Impact/Access: Provide Misleading Information -- Remote with User Interaction
Unauthorised Access -- Remote with User Interaction
CVE Names: CVE-2015-7575
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Security Bulletin: Vulnerability in MD5 Signature and Hash Algorithm affects
IBM MessageSight (CVE-2015-7575)
More support for:
The MD5 SLOTH vulnerability on TLS 1.2 affects IBM MessageSight.
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
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 18.104.22.168 and below
VRMF APAR Remediation/First Fix
IBM MessageSight 1.1 IT13410 22.214.171.124-IBM-IMAIFIT13410
IBM MessageSight 1.2 IT13392 126.96.36.199-IBM-IMA-IFIT13392
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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.
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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