CVE-2014-4860 Integer overflow in BIOS

What is CVE-2014-4860?

CVE-2014-4860 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

Multiple integer overflows in the Pre-EFI Initialization (PEI) boot phase in the Capsule Update feature in the UEFI implementation in EDK2 allow physically proximate attackers to bypass intended access restrictions by providing crafted data that is not properly handled during the coalescing phase.

Weakness: CWE-190

Which versions are affected by CVE-2014-4860?

It affects 1 product.

Products include Tianocore Edk2.

How do I fix CVE-2014-4860?

No fix has been published for CVE-2014-4860 yet. Limit exposure of the affected software until one is available.

Is CVE-2014-4860 being exploited?

There is no known exploitation of CVE-2014-4860 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-wx73-9f2x-grc8.