Information disclosure in Brocade Fabric OS

1) Information disclosure

EUVDB-ID: #VU61561

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-27796

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote user can read the contents of any file on the filesystem utilizing one of a few available binaries.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Brocade Fabric OS: before 9.0.0

External links

http://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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