Dell PowerEdge T30/T40 Mini Tower Server update for AMI UEFI BIOS

1) Input validation error

EUVDB-ID: #VU83168

Risk: Low

CVSSv4.0: 5.9 [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-2023-39537

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the UEFI/BIOS firmware. A local user can escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

PowerEdge T30 Mini Tower Server: before 1.12.0

PowerEdge T40: before 1.12.0

CPE2.3

• cpe:2.3:a:dell:poweredge_t30_mini_tower_server:*:*:*:*:*:*:*:*
• cpe:2.3:h:dell:t40:*:*:*:*:*:*:*:*

External links

https://www.dell.com/support/kbdoc/nl-nl/000219479/dsa-2023-353-security-update-for-dell-poweredge-t30-t40-mini-tower-server-for-an-ami-uefi-bios-vulnerability

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.