Security Bulletin
Summary
IBM QRadar Network Security has addressed the following vulnerability.
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
IBM QRadar Network Security 5.4.0
IBM QRadar Network Security 5.5.0
Remediation/Fixes
| Product | VRMF | Remediation/First Fix |
| IBM QRadar Network Security | 5.4.0 | Install Firmware 5.4.0.8 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector. Or Download Firmware 5.4.0.8 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface. |
| IBM QRadar Network Security | 5.5.0 | Install Firmware 5.5.0.3 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector. Or Download Firmware 5.5.0.3 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface. |
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
June 27, 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
Advisory ID: 15611
Product Record ID: 133372
Document Location
Worldwide
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Document Information
Modified date:
27 June 2019
UID
ibm10878438