Vulnerability identifier: #VU79405

Vulnerability risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34408

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
PowerEdge Server BIOS
Other software / Other software solutions
Precision BIOS
Other software / Other software solutions

Vendor: Dell

Description

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

The vulnerability exists due to Improper SMM communication buffer verification. A local privileged user can send a specially crafted data, trigger memory corruption and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PowerEdge Server BIOS: All versions

Precision BIOS: All versions

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External links
http://www.dell.com/support/kbdoc/en-us/000206296/dsa-2022-204-dell-poweredge-improper-smm-communication-buffer-verification-vulnerability

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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.