Code execution in Insyde Kernel



| Updated: 2023-09-19
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-36338
CWE-ID CWE-94
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Insyde Kernel
Operating systems & Components / Operating system

Vendor Insyde Software

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Code Injection

EUVDB-ID: #VU80875

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-36338

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the FwBlockServiceSmm driver of InsydeH2O. A local administrator can send a specially crafted request and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Insyde Kernel: before 5.0 05.09.37

CPE2.3 External links

https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022029
https://binarly.io/advisories/BRLY-2022-017/index.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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