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Security Bulletin: IBM Flex System switch firmware products are affected by a vulnerability in libcurl (CVE-2019-5436)

Security Bulletin


Summary

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

Vulnerability Details

CVEID:   CVE-2019-5436
DESCRIPTION:   cURL libcurl is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the tftp_receive_packet() function. By sending overly long data, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 6.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/161431 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Affected Product(s)Version(s)
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(s)Version(s)

IBM Flex System CN4093 10Gb Converged Scalable Switch firmware

(ibm_fw_scsw_cn4093-7.8.28.0_anyos_noarch)

7.8.28.0

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

17 Mar 2021: 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

[{"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","Edition":"All"}]

Document Information

Modified date:
17 March 2021

Initial Publish date:
17 March 2021

UID

ibm16431247