TOCTOU Vulnerability in AMI UEFI Firmware for HP PCs
CVE-2022-43779

7HIGH

Key Information:

Vendor
HP
Status
HP Pc Products Using Ami Uefi Firmware
Vendor
CVE Published:
12 February 2023

Summary

A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in certain HP PC products that utilize AMI UEFI Firmware. This flaw could allow an attacker to execute arbitrary code, potentially leading to denial of service or unauthorized information disclosure. HP has issued updates to mitigate this vulnerability, emphasizing the importance of keeping firmware up to date to protect against such security risks.

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_7394557-7394585...

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

.