Security Bulletin
Summary
The MD5 "SLOTH" vulnerability on TLS 1.2 affects IBM BladeCenter Advanced Management Module (AMM).
Vulnerability Details
Summary
The MD5 "SLOTH" vulnerability on TLS 1.2 affects IBM BladeCenter Advanced Management Module (AMM).
Vulnerability Details
CVE-ID: 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 http://exchange.xforce.ibmcloud.com/vulnerabilities/109415
for 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
Product | Affected Version |
---|---|
IBM BladeCenter Advanced Management Module (AMM) | BPET |
Remediation/Fixes
Firmware fix versions are available on Fix Central: http://www-933.ibm.com/support/fixcentral/
Product | Fix Version |
---|---|
IBM BladeCenter Advanced Management Module
(AMM) (ibm_fw_amm_bpet66s-3.66s_anyos_noarch) |
BPET66S-3.66s |
You should verify applying this fix does not cause any compatibility issues. The fix disables MD5 signature hash by default. If you change the default setting after applying the fix you will expose yourself to the attack described above. IBM recommends that you review your entire environment to identify other areas where you have enabled the MD5 signature hash and take appropriate mitigation and remediation actions.
Workarounds and Mitigations
None.
References
Related Information
IBM
Secure Engineering Web Portal
IBM Product Security
Incident Response Blog
Acknowledgement
Reported to IBM by Karthikeyan Bhargavan at INRIA in Paris, France.
Change History
21 March 2016: Original Version 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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References
*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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
14 April 2023
UID
ibm1MIGR-5099195