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Security Bulletin: IBM Flex System switch firmware products are affected by a vulnerability in OpenSSL (CVE-2019-1559)

Security Bulletin


Summary

IBM Flex System switch firmware products have addressed the following OpenSSL vulnerability.

Vulnerability Details

CVEID:   CVE-2019-1559
DESCRIPTION:   OpenSSL could allow a remote attacker to obtain sensitive information, caused by the failure to immediately close the TCP connection after the hosts encounter a zero-length record with valid padding. An attacker could exploit this vulnerability using a 0-byte record padding-oracle attack to decrypt traffic.
CVSS Base score: 5.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/157514 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Flex System EN2092 1Gb Ethernet Scalable Switch7.8
IBM Flex System Fabric SI4093 GbFSIM 10Gb ScSw7.8
IBM Flex System Fabric EN4093/EN4093R 10Gb Scalable Switch7.8
IBM Flex System CN4093 10Gb Converged Scalable Switch7.8

Remediation/Fixes

Firmware fix versions are available on Fix Central: http://www.ibm.com/support/fixcentral/

Product

Fix Version

IBM Flex System EN2092 1Gb Ethernet Scalable firmware
(ibm_fw_scsw_en2092-7.8.25.0_anyos_noarch)

7.8.25.0

IBM Flex System Fabric SI4093 System Interconnect Module firmware
(ibm_fw_scsw_si4093-7.8.25.0_anyos_noarch)

7.8.25.0

IBM Flex System Fabric EN4093/EN4093R 10Gb Scalable Switch firmware
(ibm_fw_scsw_en4093r-7.8.25.0_anyos_noarch)

7.8.25.0

IBM Flex System Fabric CN4093 10Gb ScSE firmware
(ibm_fw_scsw_cn4093-7.8.25.0_anyos_noarch)

7.8.25.0

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Lenovo Security Advisories

Change History

28 Feb 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:
28 February 2020

Initial Publish date:
28 February 2020

UID

ibm15371371

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