Untrusted search path in System Firmware Update Utility (SysFwUpdt) - CVE-2023-22841
Published: August 11, 2023
Vulnerability identifier: #VU79375
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-2023-22841
CWE-ID: CWE-426
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Intel
Affected software:
System Firmware Update Utility (SysFwUpdt)
System Firmware Update Utility (SysFwUpdt)
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to usage of an untrusted search path. A local user can place a malicious binary into a specific location on the system and execute arbitrary code with escalated privileges.
How to mitigate CVE-2023-22841
Intel recommends updating System Firmware Update Utility for Intel® Server Boards and Intel® Server Systems Based on Intel® 621A Chipset to version 16.0.7 or later.
Updates are available for download at this location:
https://www.intel.com/content/www/us/en/download/765095/server-firmware-update-utility-sysfwupdt-for-intel-server-boards-and-intel-server-systems.html