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ubuntuUbuntuUSN-5088-1
HistorySep 23, 2021 - 12:00 a.m.

EDK II vulnerabilities

2021-09-2300:00:00
ubuntu.com
94

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.7 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.008 Low

EPSS

Percentile

82.0%

Releases

  • Ubuntu 21.04
  • Ubuntu 20.04 LTS

Packages

  • edk2 - UEFI firmware for virtual machines

Details

It was discovered that EDK II incorrectly handled input validation in
MdeModulePkg. A local user could possibly use this issue to cause EDK II to
crash, resulting in a denial of service, obtain sensitive information or
execute arbitrary code. (CVE-2019-11098)

Paul Kehrer discovered that OpenSSL used in EDK II incorrectly handled
certain input lengths in EVP functions. An attacker could possibly use this
issue to cause EDK II to crash, resulting in a denial of service.
(CVE-2021-23840)

Ingo Schwarze discovered that OpenSSL used in EDK II incorrectly handled
certain ASN.1 strings. An attacker could use this issue to cause EDK II to
crash, resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2021-3712)

It was discovered that EDK II incorrectly decoded certain strings. A remote
attacker could use this issue to cause EDK II to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2021-38575)

OSVersionArchitecturePackageVersionFilename
Ubuntu21.04noarchqemu-efi-arm< 2020.11-4ubuntu0.1UNKNOWN
Ubuntu21.04noarchovmf< 2020.11-4ubuntu0.1UNKNOWN
Ubuntu21.04noarchovmf-ia32< 2020.11-4ubuntu0.1UNKNOWN
Ubuntu21.04noarchqemu-efi< 2020.11-4ubuntu0.1UNKNOWN
Ubuntu21.04noarchqemu-efi-aarch64< 2020.11-4ubuntu0.1UNKNOWN
Ubuntu20.04noarchqemu-efi-arm< 0~20191122.bd85bf54-2ubuntu3.3UNKNOWN
Ubuntu20.04noarchovmf< 0~20191122.bd85bf54-2ubuntu3.3UNKNOWN
Ubuntu20.04noarchqemu-efi< 0~20191122.bd85bf54-2ubuntu3.3UNKNOWN
Ubuntu20.04noarchqemu-efi-aarch64< 0~20191122.bd85bf54-2ubuntu3.3UNKNOWN

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.7 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.008 Low

EPSS

Percentile

82.0%