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nvd логотип

CVE-2020-27779

Опубликовано: 03 мар. 2021
Источник: nvd
CVSS3: 7.5
CVSS2: 6.9
EPSS Низкий

Описание

A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Ссылки

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
Версия до 2.06 (исключая)
Конфигурация 2

Одно из

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
Конфигурация 3

Одно из

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Конфигурация 4
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*

EPSS

Процентиль: 6%
0.00027
Низкий

7.5 High

CVSS3

6.9 Medium

CVSS2

Дефекты

CWE-285
NVD-CWE-Other

Связанные уязвимости

ubuntu логотип

CVE-2020-27779

CVSS3: 7.5
ubuntu
больше 4 лет назад

A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

redhat логотип

CVE-2020-27779

CVSS3: 7.5
redhat
больше 4 лет назад

A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

msrc логотип

CVE-2020-27779

CVSS3: 7.5
msrc
больше 4 лет назад

Описание отсутствует

debian логотип

CVE-2020-27779

CVSS3: 7.5
debian
больше 4 лет назад

A flaw was found in grub2 in versions prior to 2.06. The cutmem comman ...

github логотип

GHSA-7p29-8vr2-rmvx

CVSS3: 7.5
github
около 3 лет назад

A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

EPSS

Процентиль: 6%
0.00027
Низкий

7.5 High

CVSS3

6.9 Medium

CVSS2

Дефекты

CWE-285
NVD-CWE-Other