IBM Support

Security Bulletin: IBM Flex System switch firmware products are affected by vulnerability in OpenSSL (CVE-2018-0732)

Created by Barb Foss on
Published URL:
https://www.ibm.com/support/pages/node/875374
875374

Security Bulletin


Summary

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

Vulnerability Details

CVEID: CVE-2018-0732
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by the sending of a very large prime value to the client by a malicious server during key agreement in a TLS handshake. By spending an unreasonably long period of time generating a key for this prime, a remote attacker could exploit this vulnerability to cause the client to hang.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/144658 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Product

Affected Version

IBM Flex System Fabric EN4093/EN4093R 10Gb Scalable Switch firmware

7.8

IBM Flex System EN2092 1Gb Ethernet Scalable firmware

7.8

IBM Flex System Fabric GbFSIM 10Gb Scalable Switch firmware

7.8

IBM Flex System CN4093 10Gb ScSE firmware

7.8

G8264CS_SI_Fabric_Image

7.8

Remediation/Fixes

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

Product

Fix Version

IBM Flex System Fabric EN4093/EN4093R 10Gb Scalable Switch firmware
(ibm_fw_scsw_en4093r-7.8.22.0_anyos_noarch)

7.8.22.00

IBM Flex System EN2092 1Gb Ethernet Scalable firmware
(ibm_fw_scsw_en2092-7.8.22.0_anyos_noarch)

7.8.22.00

IBM Flex System Fabric GbFSIM 10Gb Scalable Switch firmware
(ibm_fw_scsw_si4093-7.8.22.0_anyos_noarch )

7.8.22.00

IBM Flex System CN4093 10Gb ScSE firmware
(ibm_fw_scsw_cn4093-7.8.22.0_anyos_noarch)

7.8.22.00

G8264CS_SI_Fabric_Image - Bundle
(G8264CS_SI_Fabric_Image_7.8.22.0)

7.8.22.00

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 Product Security Advisories

Acknowledgement

None

Change History

12 March 2019: Initial 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

PSIRT record 12966/123075

[{"Business Unit":{"code":"BU050","label":"BU NOT IDENTIFIED"},"Product":{"code":"SSWLYD","label":"PureFlex System \u0026 Flex System"},"Component":"Switch Software","Platform":[{"code":"PF009","label":"Firmware"}],"Version":"All Versions","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
12 March 2019

UID

ibm10875374

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