CVE-2023-31431 A buffer overflow vulnerability in “diagstatus” command

What is CVE-2023-31431?

CVE-2023-31431 is a medium-severity memory corruption vulnerability in Brocade Fabric OS, published on 1 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A buffer overflow vulnerability in “diagstatus” command in Brocade Fabric OS before Brocade Fabric v9.2.0 and v9.1.1c could allow an authenticated user to crash the Brocade Fabric OS switch leading to a denial of service.

Weakness: CWE-120

Which versions are affected by CVE-2023-31431?

It affects 1 product.

Products include Broadcom Brocade Fabric Operating System.

How do I fix CVE-2023-31431?

No fix has been published for CVE-2023-31431 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-31431 being exploited?

There is no known exploitation of CVE-2023-31431 in the wild and no public exploit code.

Other vulnerabilities in Brocade Fabric OS

• CVE-2023-31432 Privilege issues in multiple commands High 7.8
• CVE-2023-31926 Arbitrary File Overwrite using less command High 7.1
• CVE-2021-23133 Linux Kernel sctp_destroy_sock race condition Medium 6.7
• CVE-2023-31928 XSS vulnerability in Brocade Webtools Medium 6.3
• CVE-2023-31428 CLI allows upload or transfer files of dangerous types Medium 5.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-fqh6-rrfj-3w82.