Security Bulletin
Summary
There is a vulnerability in IBM® SDK Java™ Technology Edition, Versions 6 and 7 that are used by IBM Virtualization Engine TS7700. This vulnerability, commonly referred to as “SLOTH”, was disclosed as part of the IBM Java SDK updates in January 2016.
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. This vulnerability is commonly referred to as “SLOTH”.
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/UI:U/C:H/I:L/A:N)
Affected Products and Versions
All versions of microcode for the IBM Virtualization Engine TS7700 (3957-V06, 3957-V07, 3957-VEA, 3957-VEB) prior to release R2.1 are affected. All versions of R3.0 and R3.1 are also affected. In addition, microcode versions of releases R2.1, R3.2, and R3.3 prior to and including the following are also affected:
|
Release | Version |
| R3.3 | 8.33.0.45 |
| R3.2 | 8.32.3.8 |
| R2.1 | 8.21.0.178 |
Remediation/Fixes
Contact IBM Service at 1-800-IBM-SERV to arrange an upgrade to the latest microcode level followed by the installation of vtd_exec.202. Minimum microcode levels are shown below:
|
Release | Fix |
| R3.3 | Upgrade to 8.33.0.45 or later + vtd_exec.202 |
| R3.2 | Upgrade to 8.32.1.8 or later + vtd_exec.202 |
| R3.1 | Upgrade to 8.33.0.45 or later + vtd_exec.202 |
| R3.0 | Upgrade to 8.33.0.45 or later + vtd_exec.202 |
| R2.1 | Upgrade to 8.21.0.178 or later + vtd_exec.202 |
| Older Releases | Upgrade to 8.21.0.178 or later + vtd_exec.202 |
Please note that vtd_exec packages carry their own internal version numbers. For the vulnerability reported in this Security Bulletin, the minimum required vtd_exec version is as follows:
| Package | Version |
| vtd_exec.202 | 2.01 |
Workarounds and Mitigations
Although IBM recommends that you upgrade to the fixes identified above, you can mitigate, but not eliminate the risk of these vulnerabilities by restricting physical and network access to the TS7700 to authorized users and IBM Service Personnel only.
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References
Acknowledgement
CVE-2015-7575 was reported to IBM by Karthikeyan Bhargavan at INRIA in Paris, France
Change History
17 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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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Document Information
Modified date:
17 June 2018
UID
ssg1S1005701