CVE-2014-4859 — MEDIUM (6.8)

Vulnerability Description

Integer overflow in the Drive Execution Environment (DXE) phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access restrictions via crafted data.

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-2014-4859?

CVE-2014-4859 is a vulnerability with a CVSS score of 6.8 (MEDIUM). Integer overflow in the Drive Execution Environment (DXE) phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access restric...

How severe is CVE-2014-4859?

CVE-2014-4859 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-2014-4859?

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