8 High
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.6 Medium
AI Score
Confidence
High
5.2 Medium
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:L/Au:S/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
41.6%
Issue Overview:
Insufficient control flow management in BIOS firmware for 8th, 9th, 10th Generation Intel® Core™, Intel® Celeron® Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable denial of service via adjacent access. (CVE-2019-14558)
Memory leak in ArpOnFrameRcvdDpc (CVE-2019-14559)
Numeric truncation in MdeModulePkg/PiDxeS3BootScriptLib (CVE-2019-14563)
DxeImageVerificationHandler() fails open in case of dbx signature check (CVE-2019-14575)
Potential use-after-free due to the original configuration runtime memory is freed but it is still exposed to the OS runtime (CVE-2019-14586)
Double-unmap issue in SdMmcCreateTrb function in MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c (CVE-2019-14587)
Affected Packages:
edk2
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update edk2 to update your system.
New Packages:
aarch64:
edk2-tools-20200801stable-1.amzn2.0.1.aarch64
edk2-debuginfo-20200801stable-1.amzn2.0.1.aarch64
noarch:
edk2-tools-python-20200801stable-1.amzn2.0.1.noarch
edk2-tools-doc-20200801stable-1.amzn2.0.1.noarch
edk2-aarch64-20200801stable-1.amzn2.0.1.noarch
edk2-ovmf-20200801stable-1.amzn2.0.1.noarch
src:
edk2-20200801stable-1.amzn2.0.1.src
x86_64:
edk2-tools-20200801stable-1.amzn2.0.1.x86_64
edk2-debuginfo-20200801stable-1.amzn2.0.1.x86_64
Red Hat: CVE-2019-14558, CVE-2019-14559, CVE-2019-14563, CVE-2019-14575, CVE-2019-14586, CVE-2019-14587
Mitre: CVE-2019-14558, CVE-2019-14559, CVE-2019-14563, CVE-2019-14575, CVE-2019-14586, CVE-2019-14587
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | edk2-tools | < 20200801stable-1.amzn2.0.1 | edk2-tools-20200801stable-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | edk2-debuginfo | < 20200801stable-1.amzn2.0.1 | edk2-debuginfo-20200801stable-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | noarch | edk2-tools-python | < 20200801stable-1.amzn2.0.1 | edk2-tools-python-20200801stable-1.amzn2.0.1.noarch.rpm |
Amazon Linux | 2 | noarch | edk2-tools-doc | < 20200801stable-1.amzn2.0.1 | edk2-tools-doc-20200801stable-1.amzn2.0.1.noarch.rpm |
Amazon Linux | 2 | noarch | edk2-aarch64 | < 20200801stable-1.amzn2.0.1 | edk2-aarch64-20200801stable-1.amzn2.0.1.noarch.rpm |
Amazon Linux | 2 | noarch | edk2-ovmf | < 20200801stable-1.amzn2.0.1 | edk2-ovmf-20200801stable-1.amzn2.0.1.noarch.rpm |
Amazon Linux | 2 | x86_64 | edk2-tools | < 20200801stable-1.amzn2.0.1 | edk2-tools-20200801stable-1.amzn2.0.1.x86_64.rpm |
Amazon Linux | 2 | x86_64 | edk2-debuginfo | < 20200801stable-1.amzn2.0.1 | edk2-debuginfo-20200801stable-1.amzn2.0.1.x86_64.rpm |
8 High
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.6 Medium
AI Score
Confidence
High
5.2 Medium
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:L/Au:S/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
41.6%