CVE-2014-4860

MEDIUM

EDK2 - Integer Overflow in Capsule Update PEI Boot Phase

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_misc
http://www.kb.cert.org/vuls/id/552286

Scores

CVSS v3 6.8
EPSS 0.0050
EPSS Percentile 39.3%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (1)
tianocore/edk2
Published Jan 31, 2020
Tracked Since Feb 18, 2026