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[email protected]CVE-2014-4860

HistoryJan 31, 2020 - 4:15 p.m.

CVE-2014-4860

2020-01-3116:15:10

CWE-190

[email protected]

web.nvd.nist.gov

cve-2014-4860

security

vulnerability

pre-efi initialization

pei boot phase

capsule update

uefi

edk2

nvd

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

6.8 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.4%

JSON

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.

Affected configurations

NVD

Node

tianocoreedk2Match-

CPENameOperatorVersion
tianocore:edk2tianocore edk2eq-

CPE	Name	Operator	Version
tianocore:edk2	tianocore edk2	eq	-

CNA Affected

[
  {
    "product": "SCT3",
    "vendor": "Phoenix Technologies Ltd.",
    "versions": [
      {
        "status": "affected",
        "version": "before 5/23/2014"
      }
    ]
  },
  {
    "product": "BIOS",
    "vendor": "American Megatrends Incorporated (AMI)",
    "versions": [
      {
        "status": "affected",
        "version": "unknown"
      }
    ]
  }
]