Heap-based buffer overflow in FreeBSD - CVE-2022-23086

 

Heap-based buffer overflow in FreeBSD - CVE-2022-23086

Published: April 6, 2022 / Updated: September 21, 2022


Vulnerability identifier: #VU61913
CSH Severity: Low
CVSS v4.0: 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-2022-23086
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: FreeBSD Foundation
Affected software:
FreeBSD

Detailed vulnerability description

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

The vulnerability exists due to a boundary error in mpr, mps, and mpt disk collector drivers. A local user can run a specially crafted program to trigger a heap-based buffer overflow and execute arbitrary code on the system with elevated privileges.



How to mitigate CVE-2022-23086

Install updates from vendor's website.

Sources