GNU C Library (aka glibc) through 2.34 copies its hostname argument on the stack without validating its length, which may result in a buffer overflow

Brocade Fabric OS

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22350

01 August 2023

01 August 2023

CLOSED

MEDIUM

9.8 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-23219

Brocade Security Advisory ID

 BSA-2023-1678

Component

 glibc

 

 

Summary

The deprecated compatibility function clnt_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its hostname argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.

Products Affected

All Fabric OS versions

 

Products Confirmed Not Affected

Brocade SANnav and Brocade ASCG are not affected by this vulnerability

 

Solution

Solution provided in Brocade Fabric OS v9.1.1c, v9.2.0 and later versions

 

 

Revision History

Version

Change

Date

1.0

Initial Publication

 August 1, 2023

 

Disclaimer

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