Security Bulletin
Summary
IBM has released the following Unified Extensible Firmware Interface (UEFI) fixes for System x, Flex and BladeCenter systems in response to OpenSSL vulnerability CVE-2018-5407.
Vulnerability Details
DESCRIPTION: Multiple SMT/Hyper-Threading architectures and processors could allow a local attacker to obtain sensitive information, caused by execution engine sharing on Simultaneous Multithreading (SMT) architecture. By using the PortSmash new side-channel attack, an attacker could run a malicious process next to legitimate processes using the architectures parallel thread running capabilities to leak encrypted data from the CPU''s internal processes. Note: This vulnerability is known as PortSmash.
CVSS Base Score: 5.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152484 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
|
Product |
Affected Version |
|
BladeCenter HS23 7875/1929 |
tke1 |
|
BladeCenter HS23E 8038/8039 |
ahe1 |
|
Flex System x220 2585/7906 |
kse1 |
|
Flex System x222 7916 |
cce1 |
|
Flex System x240 7863/8737/8738/8956 |
b2e1 |
|
Flex System x280, x480, x880 7903 |
n2e1 |
|
Flex System x440 7917 |
cne1 |
|
System x iDataPlex dx360 M4 7912/7913 |
tde1 |
|
System x NeXtScale nx360 M4 5455 |
fhe1 |
|
System x3100 M5 5457 |
j9e1 |
|
System x3250 M5 5458 |
jue1 |
|
System x3300 M4 7382 |
yae1 |
|
System x3500 M4 7383 |
y5e1 |
|
System x3550 M4 7914 |
d7e1 |
|
System x3630 M4 7158 |
bee1 |
|
System x3650 M4 7915 |
vve1 |
|
System x3650 M4 BD 5466 |
yoe1 |
|
System x3750 M4 8718/8722/8733/8752 |
koe1 |
|
System x3850 x6 3837/3839 |
a8e1 |
Remediation/Fixes
Firmware fix versions are available on Fix Central: http://www.ibm.com/support/fixcentral/
|
Product |
Fixed Version |
|
BladeCenter HS23 7875/1929 |
tke166c-2.70 |
|
BladeCenter HS23E 8038/8039 |
ahe166c-3.10 |
|
Flex System x220 2585/7906 |
kse164c-2.50 |
|
Flex System x222 7916 |
cce166c-2.30 |
|
Flex System x240 7863/8737/8738/8956 |
b2e168c-2.50 |
|
Flex System x280, x480, x880 7903 |
n2e134d-2.10 |
|
Flex System x440 7917 |
cne168c-2.40 |
|
System x iDataPlex dx360 M4 7912/7913 |
tde162c-2.40 |
|
System x NeXtScale nx360 M4 5455 |
fhe126c-2.20 |
|
System x3100 M5 5457 |
j9e138d-2.00 |
|
System x3250 M5 5458 |
jue138d-2.00 |
|
System x3300 M4 7382 |
yae162c-2.40 |
|
System x3500 M4 7383 |
y5e164c-2.90 |
|
System x3550 M4 7914 |
d7e170c-3.00 |
|
System x3630 M4 7158 |
bee170c-3.30 |
|
System x3650 M4 7915 |
vve166c-3.00 |
|
System x3650 M4 BD 5466 |
yoe132c-2.50 |
|
System x3750 M4 8718/8722/8733/8752 |
koe166d-2.50 |
|
System x3850 x6 3837/3839 |
a8e132d-1.90 |
Workarounds and Mitigations
None
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References
Change History
10 July 2019: 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.
Internal Use Only
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Document Information
Modified date:
10 July 2019
UID
ibm10958871