PT-2020-7687 · Edk2 · Edk2

Corey Kallenberg + 3 · Published 2020-01-31 · Updated 2020-02-07 · CVE-2014-4860

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions EDK2 (affected versions not specified)

Description The issue concerns multiple integer overflows in the Pre-EFI Initialization (PEI) boot phase in the Capsule Update feature in the UEFI implementation. This allows physically proximate attackers to bypass intended access restrictions by providing crafted data that is not properly handled during the coalescing phase.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2014-4860

Affected Products

Edk2

References · 4

• https://osv.dev/vulnerability/CVE-2014-4860 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2014-4860 · Security Note
• https://t.me/cvenotify/709 · Telegram Post
• http://kb.cert.org/vuls/id/552286 · Note