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ubuntuUbuntuUSN-4684-1
HistoryJan 07, 2021 - 12:00 a.m.

EDK II vulnerabilities

2021-01-0700:00:00
ubuntu.com
110

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

11.7%

JSON

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • edk2 - UEFI firmware for virtual machines

Details

Laszlo Ersek discovered that EDK II incorrectly validated certain signed
images. An attacker could possibly use this issue with a specially crafted
image to cause EDK II to hang, resulting in a denial of service. This issue
only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.
(CVE-2019-14562)

It was discovered that EDK II incorrectly parsed signed PKCS #7 data. An
attacker could use this issue to cause EDK II to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2019-14584)

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchovmf< 2020.05-5ubuntu0.1UNKNOWN
Ubuntu20.10noarchqemu-efi< 2020.05-5ubuntu0.1UNKNOWN
Ubuntu20.10noarchqemu-efi-aarch64< 2020.05-5ubuntu0.1UNKNOWN
Ubuntu20.10noarchqemu-efi-arm< 2020.05-5ubuntu0.1UNKNOWN
Ubuntu20.04noarchovmf< 0~20191122.bd85bf54-2ubuntu3.1UNKNOWN
Ubuntu20.04noarchqemu-efi< 0~20191122.bd85bf54-2ubuntu3.1UNKNOWN
Ubuntu20.04noarchqemu-efi-aarch64< 0~20191122.bd85bf54-2ubuntu3.1UNKNOWN
Ubuntu20.04noarchqemu-efi-arm< 0~20191122.bd85bf54-2ubuntu3.1UNKNOWN
Ubuntu18.04noarchovmf< 0~20180205.c0d9813c-2ubuntu0.3UNKNOWN
Ubuntu18.04noarchqemu-efi< 0~20180205.c0d9813c-2ubuntu0.3UNKNOWN
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osv 2
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redhatcve 2
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nessus
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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : EDK II vulnerabilities (USN-4684-1)
2021-01-07 00:00:00
openSUSE Security Update : shim (openSUSE-2021-598)
2021-05-18 00:00:00
openSUSE Security Update : ovmf (openSUSE-2020-2314)
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2021-01-07 13:51:25
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CVE-2019-14562
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suse
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Security update for ovmf (moderate)
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Security update for shim (important)
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Security update for ovmf (moderate)
2020-12-22 00:00:00
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cve
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2020-10-20 19:16:34
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altlinux
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Security fix for the ALT Linux 10 package edk2 version 20201127-alt1
2021-01-17 00:00:00
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(RHSA-2021:4198) Moderate: edk2 security, bug fix, and enhancement update
2021-11-09 08:37:02
debian
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[SECURITY] [DLA 2645-1] edk2 security update
2021-04-29 20:03:01
mageia
mageia
Updated edk2 packages fix multiples security vulnerabilities
2021-01-17 19:07:01
lenovo
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Multi-vendor BIOS Security Vulnerabilities (June 2020) - Lenovo Support US
2020-06-04 20:26:21

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

11.7%

JSON
Related for USN-4684-1
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