Integer Overflow Vulnerability in UEFI Implementation by EDK2
CVE-2014-4860

6.8MEDIUM

Key Information:

Status
Vendor
CVE Published:
31 January 2020

What is CVE-2014-4860?

Multiple integer overflow issues during the Pre-EFI Initialization (PEI) boot phase in EDK2's Capsule Update feature could allow an attacker with physical access to exploit these flaws. By sending specially crafted data during the coalescing phase, an attacker might bypass the intended access restrictions, compromising the integrity of the system.

Affected Version(s)

BIOS unknown

SCT3 before 5/23/2014

References

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2014-4860 : Integer Overflow Vulnerability in UEFI Implementation by EDK2