#VU79421 Buffer overflow in PowerEdge Server BIOS and Precision BIOS


Published: 2023-08-11

Vulnerability identifier: #VU79421

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-2022-34414

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 remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing Microsoft Office files. A remote attacker can create a specially crafted Office document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PowerEdge Server BIOS: All versions

Precision BIOS: All versions


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


Latest bulletins with this vulnerability