Out-of-bounds write in Insyde Kernel



Published: 2022-11-15 | Updated: 2023-09-18
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-30772
CWE-ID CWE-787
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Insyde Kernel
Operating systems & Components / Operating system

Vendor

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU80858

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-30772

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in PnpSmm function 0x52. A local administrator can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Insyde Kernel: before 5.5 05.52.30

External links

http://www.insyde.com/security-pledge
http://www.insyde.com/security-pledge/SA-2022065


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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