TOCTOU Vulnerabilities in HP BIOS for HP PC Products
CVE-2022-43777

7.8HIGH

Key Information:

Vendor

HP
Status
HP Pc BiOS
Vendor
CVE Published:
12 June 2023

What is CVE-2022-43777?

Recent findings have revealed vulnerabilities in HP BIOS that arise from potential Time-of-Check to Time-of-Use discrepancies. These vulnerabilities could permit attackers to execute arbitrary code, resulting in denial of service or unauthorized information disclosure. Such security flaws can significantly compromise the integrity and confidentiality of affected HP PC products, urging users to take immediate action to mitigate risks.

Affected Version(s)

HP PC BIOS See HP Security Bulletin reference for affected versions.

References

https://support.hp.com/us-en/document/ish_7709808-7709835...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2022-43777 : TOCTOU Vulnerabilities in HP BIOS for HP PC Products