Multiple vulnerabilities in IBM FOS firmware

Published: 2024-05-02

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-0466 CVE-2023-0465
CWE-ID	CWE-254 CWE-347
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	FOS Firmware Hardware solutions / Firmware
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Security features bypass

EUVDB-ID: #VU74149

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-0466

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to an error within the X509_VERIFY_PARAM_add0_policy() function, which does not perform the certificate policy check despite being implicitly enabled. A remote attacker can bypass expected security restrictions and perform MitM attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FOS Firmware: before 9.1.1d

CPE2.3

cpe:2.3:h:ibm_corporation:fos_firmware:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7150034

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU74148