CVE-2014-4859 Integer overflow in BIOS

What is CVE-2014-4859?

CVE-2014-4859 is a medium-severity vulnerability in American Megatrends Incorporated (AMI) BIOS, published on 31 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Integer overflow in the Drive Execution Environment (DXE) phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access restrictions via crafted data.

Weakness: CWE-190

Which versions are affected by CVE-2014-4859?

It affects 1 product.

Products include Tianocore Edk2.

How do I fix CVE-2014-4859?

No fix has been published for CVE-2014-4859 yet. Limit exposure of the affected software until one is available.

Is CVE-2014-4859 being exploited?

There is no known exploitation of CVE-2014-4859 in the wild and no public exploit code.

Other vulnerabilities in American Megatrends Incorporated (AMI) BIOS

• CVE-2023-45230 Buffer Overflow in EDK II Network Package High 8.3
• CVE-2023-45234 Buffer Overflow in EDK II Network Package High 8.3
• CVE-2023-45235 Buffer Overflow in EDK II Network Package High 8.3
• CVE-2021-28210 Denial of service in EDK II High 7.8
• CVE-2019-14584 Null dereference in Tianocore EDK2 High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hpff-53rm-95gf.