CVE-2022-43779 Race condition in HP PC products using AMI UEFI Firmware

High 7.0 Published Updated

A TOCTOU race condition in HP PC BIOS allows attackers to execute arbitrary code, cause denial of service, or disclose information.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-43779?

CVE-2022-43779 is a high-severity vulnerability in HP PC products using AMI UEFI Firmware, published on 3 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been identified in certain HP PC products using AMI UEFI Firmware (system BIOS) which might allow arbitrary code execution, denial of service, and information disclosure. AMI has released updates to mitigate the potential vulnerability.

Weakness: CWE-367

Which versions are affected by CVE-2022-43779?

It affects 25 products.

Products include Hp 218 Pro G5 Mt Firmware, Hp 260 G2 Desktop Mini Firmware, Hp 260 G3 Desktop Mini Firmware, Hp 260 G4 Desktop Mini Firmware, Hp 280 G3 Microtower Pc Firmware, Hp 280 G3 Pci Microtower Pc Firmware and 19 more.

How do I fix CVE-2022-43779?

No fix has been published for CVE-2022-43779 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-43779 being exploited?

There is no known exploitation of CVE-2022-43779 in the wild and no public exploit code.

Sources

Also known as GHSA-fg8p-pjfg-p9xm.

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