CVE-2014-4860 — MEDIUM (6.8)

Vulnerability 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.

CVSS Score

6.8

MEDIUM

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

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tianocore	Edk2	-

Related Weaknesses (CWE)

CWE-190

References

http://www.kb.cert.org/vuls/id/552286Third Party AdvisoryUS Government Resource
http://www.kb.cert.org/vuls/id/552286Third Party AdvisoryUS Government Resource

FAQ

What is CVE-2014-4860?

CVE-2014-4860 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 acces...

How severe is CVE-2014-4860?

CVE-2014-4860 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2014-4860?

Check the references section above for vendor advisories and patch information. Affected products include: Tianocore Edk2.