TOCTOU Vulnerability in HP PC Products Using AMI UEFI Firmware
CVE-2023-26299

7HIGH

Key Information:

Vendor

HP
Status
HP Pc Products Using Ami Uefi Firmware
Vendor
CVE Published:
30 June 2023

What is CVE-2023-26299?

A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been found in various HP PC products using AMI UEFI Firmware. This flaw could allow an attacker to exploit the timing of checks in the system's operation, leading to the execution of arbitrary code. AMI has released updates aimed at addressing this vulnerability, emphasizing the importance of applying them to ensure system security.

Affected Version(s)

HP PC products using AMI UEFI Firmware See HP Security Bulletin reference for affected versions.

References

https://support.hp.com/us-en/document/ish_8642715-8642746...

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2023-26299 : TOCTOU Vulnerability in HP PC Products Using AMI UEFI Firmware