IBM522B7BCFFDDCBEB4960E0459A784D4DBF0CFAB38D3DEF457E17C2C4956660E36Security Bulletin: Vulnerability in NX-OS Firmware used by IBM c-type SAN directors and switches.
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
72.6%
Summary
Public disclosed OpenSSL vulnerability in NX-OS Firmware used by IBM c-type SAN directors and switches. The vulnerability has been addressed and can be resolved by applying the NX-OS code level listed below.
Vulnerability Details
CVEID:CVE-2023-0464
**DESCRIPTION:**OpenSSL is vulnerable to a denial of service, caused by an error related to the verification of X.509 certificate chains that include policy constraints. By creating a specially crafted certificate chain that triggers exponential use of computational resources, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/250736 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| NX-OS | 8.X,9.X |
Remediation/Fixes
| Fixes | Version(s) |
|---|---|
| NX-OS | 9.4(1a) |
Workarounds and Mitigations
None
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| ibm | ibm_support_for_cisco_software | 11 | cpe:2.3:a:ibm:ibm_support_for_cisco_software:11:*:*:*:*:*:*:* |
Related
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
72.6%