#VU67458 Permissions, Privileges, and Access Controls in Brocade Fabric OS - CVE-2022-33182

Vulnerability identifier: #VU67458

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-33182

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Brocade Fabric OS
Operating systems & Components / Operating system

Vendor: Brocade

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the "supportlink", "firmwaredownload", "portcfgupload", "license", and "fosexec" switch commands, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Brocade Fabric OS: before 7.4.2j, 8.2.0_cbn5, 8.2.3c, 9.0.1e, 9.1.1, 7.4.2j, 7.4.2j, 7.4.2j, 7.4.2j

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External links
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-2084

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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