Stack-based buffer overflow in Insyde Software products - CVE-2023-39281

Vulnerability identifier: #VU82610

CSH Severity: Low

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-39281

CWE-ID: CWE-121

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary error in AsfSecureBootDxe. A local user can trigger a stack-based buffer overflow and execute arbitrary code during DXE phase during DXE phase.

Mehlow
Mehlow-R(CFL-S)
Tatlow (RKS)
Barcelo
Cezanne
Lucienne
VanGogh
Rembrandt
Alder Lake
Alder Lake N
Raptor Lake
Raphael
Dragon Range
Mendocino
Phoenix FP7_FP8 / Hawk Point 5.5

Install updates from vendor's website.

Barcelo - update to 05.42.37.0031
Cezanne - update to 05.42.37.0031
Lucienne - update to 05.42.37.0031
VanGogh - update to 05.43.06.0021
Rembrandt - update to 05.44.30.0022
Alder Lake - update to 05.44.34.0055
Alder Lake N - addressed in versions 05.44.45.0017, 05.45.38.0005
Raptor Lake - update to 05.45.24.0039
Raphael - update to 05.53.22.0008
Dragon Range - update to 05.53.23.0011
Mendocino - update to 05.53.23.0014
Phoenix FP7_FP8 / Hawk Point 5.5 - update to 05.53.28.0013

• https://www.insyde.com/security-pledge/SA-2023054

• Privilege escalation in Insyde software for mobile platforms