Security Bulletin
Summary
IBM MessageSight has addressed the following vulnerability. A microprocessor side-channel vulnerability was found. An attacker running a malicious process on the same core of the processor as the victim process can extract certain secret information that can result in leakage of secret data in applications such as OpenSSL.
Vulnerability Details
DESCRIPTION: Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.
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
| Affected IBM MessageSight | Affected Versions |
|---|---|
| IBM MessageSight | 2.0.0.0 - 2.0.0.2 |
Remediation/Fixes
| Pricipal Product/Version | Affected Supporting Product/Versions | Affected Supporting Product Security Bulletin |
|---|---|---|
| MessageSight 2.0.0.0 - 2.0.0.2 |
OpenSSL 1.1.0 (fixed in 1.1.0i)
|
OpenSSL Security Advisory
|
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
| 18 January 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.
Was this topic helpful?
Document Information
Modified date:
21 January 2019
UID
ibm10796102