IBME7D58A99FF43F3780A73C99C0079BE880B8AD7ADE645EC97587C326520A59DF0Security Bulletin: Vulnerability in FOS firmware used by IBM b-type SAN directors and switches.
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
6.4 Medium
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
65.6%
Summary
The b-type products are vulnerable due to an OpenSSL issue in the FOS firmware. The vulnerability has been addressed and can be resolved by applying the FOS code level listed below.
Vulnerability Details
CVEID:CVE-2023-3446
**DESCRIPTION:**OpenSSL is vulnerable to a denial of service, caused by a flaw when using the DH_check(), DH_check_ex() or EVP_PKEY_param_check() functions to check a DH key or DH parameters. By sending a specially crafted request using long DH keys or parameters, a remote attacker could exploit this vulnerability to cause long delays, and results in a denial of service condition.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/261026 for the current score.
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
| Affected Product(s) | Version(s) |
|---|---|
| FOS | 9.X |
Remediation/Fixes
| Fixed Product | Version(s) |
|---|---|
| FOS | 9.1.1d, 9.2.0b, 9.2.1 |
Workarounds and Mitigations
Affected configurations
Related
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
6.4 Medium
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
65.6%