Security Bulletin
Summary
Public disclosed vulnerability from OpenSSL in the Fabric OS used by IBM b-type SAN directors and switches.
Vulnerability Details
CVEID: CVE-2018-0735
DESCRIPTION: The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/152086 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| FOS | 8.0 |
| FOS | 8.1 |
| FOS | 8.2 |
Remediation/Fixes
| Product | VRMF | Fix |
| FOS 8.0 | upgrade to FOS 8.1.2h or FOS 8.2.1c | |
| FOS 8.1 | 8.1.2h | https://www-01.ibm.com/support/docview.wss?uid=ssg1S1009577 |
| FOS 8.2 | 8.2.1c | https://www-01.ibm.com/support/docview.wss?uid=ssg1S1009577 |
Workarounds and Mitigations
None
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References
Change History
08 Jan 2020: Initial Publication
*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:
08 January 2020
UID
ibm11169932