Security Bulletin
Summary
Public disclosed vulnerability from OpenSSL in the Fabric OS (FOS) used by IBM b-type SAN directors and switches.
Vulnerability Details
CVEID: CVE-2021-4044
DESCRIPTION: OpenSSL could allow a remote attacker to bypass security restrictions, caused by invalid handling of X509_verify_cert() internal errors in libssl. By using a specially crafted certificate chain an attacker could induce incorrect, application dependent behaviour and cause a crash or infinite loop.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215348 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| FOS | 7.X prior to 7.4.2j |
| FOS | 8.X prior to 8.2.3c |
| FOS | 9.0.X prior to 9.0.1e |
| FOS | 9.1.X prior to 9.1.1 |
Remediation/Fixes
| Product | VRMF | Fix |
| FOS | 9.1.1 | https://www.ibm.com/support/pages/node/6371270 |
| FOS | 9.0.1e | |
| FOS | 8.2.3c |
https://www.ibm.com/support/pages/ibm-san-b-type-firmware-version-8x-qualification |
| FOS | 7.4.2j |
https://www.ibm.com/support/pages/ibm-san-b-type-firmware-version-7x-qualification |
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
30 Aug 2022: 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:
30 August 2022
Initial Publish date:
30 August 2022
UID
ibm16616499