PT-2022-1900 · Dell · Dell Bios

Published 2022-03-10 · Updated 2023-06-30 · CVE-2022-24421

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:L/AC:L/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 The issue is caused by improper input validation in the Dell BIOS, which may allow a local authenticated malicious user to exploit the vulnerability using an SMI to gain arbitrary code execution during SMM. This can be achieved by potentially overflowing a buffer in memory.

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

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2022-01435

CVE-2022-24421

Affected Products

Dell Bios

References · 12

• https://dell.com/support/kbdoc/en-us/000197057/dsa-2022-053 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-24421 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-24421 · Security Note
• https://bdu.fstec.ru/vul/2022-01435 · Security Note
• https://t.me/echeloneyes/70 · Telegram Post
• https://t.me/cibsecurity/38833 · Telegram Post
• https://t.me/true_secator/2762 · Telegram Post
• https://t.me/cvenotify/28141 · Telegram Post
• https://t.me/nekaspersky/2029 · Telegram Post
• https://t.me/defcon_news/98483 · Telegram Post
• https://t.me/secharvester/12201 · Telegram Post
• https://t.me/rnetsec/16615 · Telegram Post