PT-2023-8275 · Unknown+1 · Asp Bootloader+1

Published 2023-11-14 · Updated 2024-07-09 · CVE-2023-20521

Positive Technologies (AI Summary)

CVSS v3.1

5.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions ASP Bootloader (affected versions not specified)

Description The issue is related to a Time-of-Check-to-Time-of-Use (TOCTOU) vulnerability in the ASP Bootloader, which may allow an attacker with physical access to tamper with SPI ROM records after memory content verification. This could potentially lead to loss of confidentiality or a denial of service. The vulnerability is also described as a race condition that could allow an attacker to disclose protected information or cause a denial of service.

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

DoS

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

BDU:2024-00345

CVE-2023-20521

SUSE-SU-2023:4654-1

SUSE-SU-2023:4655-1

SUSE-SU-2023:4660-1

SUSE-SU-2023:4664-1

SUSE-SU-2023:4665-1

SUSE-SU-2024:2376-1

Affected Products

Asp Bootloader

Suse

References · 34

• https://osv.dev/vulnerability/SUSE-SU-2023:4655-1 · Vendor Advisory
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20521 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2376-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-20521 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:4665-1 · Vendor Advisory
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 · Vendor Advisory
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:4654-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:4664-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:4660-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-00345 · Security Note
• https://suse.com/security/cve/CVE-2021-46766 · Note
• https://suse.com/security/cve/CVE-2023-20519 · Note
• https://suse.com/security/cve/CVE-2023-20526 · Note