PT-2023-21536 · Dell · Dell Bios

Another1024 + 1 · Published 2023-08-16 · Updated 2023-08-22 · CVE-2023-28075

Positive Technologies (AI Summary)

CVSS v3.1

6.9

Medium

Base vector

AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Dell BIOS (affected versions not specified)

Description A Time-of-check Time-of-use vulnerability exists in Dell BIOS, allowing a local authenticated malicious user with physical access to the system to potentially exploit this issue. The exploitation could occur by using a specifically timed DMA transaction during an SMI, which could lead to arbitrary code execution on the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2023-28075

Affected Products

Dell Bios

References · 6

• https://dell.com/support/kbdoc/en-us/000212817/dsa-2023-152-security-update-for-a-dell-client-bios-vulnerability · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-28075 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-28075 · Security Note
• https://twitter.com/CVEnew/status/1691893429150556589 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1691945346891436206 · Twitter Post
• https://t.me/cibsecurity/68696 · Telegram Post