#VU104033 Input validation error in Intel products - CVE-2023-34440

Vulnerability identifier: #VU104033

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:H/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-2023-34440

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
UEFI firmware
Hardware solutions / Firmware
Intel Pentium Processor Silver Series
Hardware solutions / Firmware
Intel Celeron Processor J Series
Hardware solutions / Firmware
Intel Celeron Processor N Series
Hardware solutions / Firmware

Vendor: Intel

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A local administrator can pass specially crafted input to the application and gain elevated privileges.

Mitigation
Install update from vendor's website.

Vulnerable software versions

UEFI firmware: All versions

Intel Pentium Processor Silver Series: All versions

Intel Celeron Processor J Series: All versions

Intel Celeron Processor N Series: All versions

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External links
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html

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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.