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CVE-2019-14562

Published: 23 November 2020

Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
edk2
Launchpad, Ubuntu, Debian
bionic
Released (0~20180205.c0d9813c-2ubuntu0.3)
focal
Released (0~20191122.bd85bf54-2ubuntu3.1)
groovy Not vulnerable
(2020.05-5)
trusty Does not exist

upstream
Released (2020.05-4)
xenial
Released (0~20160408.ffea0a2c-2ubuntu0.2)
Patches:
upstream: https://github.com/tianocore/edk2/commit/503248ccdf45c14d4040ce44163facdc212e4991
upstream: https://github.com/tianocore/edk2/commit/a7632e913c1c106f436aefd5e76c394249c383a8
upstream: https://github.com/tianocore/edk2/commit/0b143fa43e92be15d11e22f80773bcb1b2b0608f

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H