Логотип exploitDog
Консоль
Логотип exploitDog

exploitDog

nvd логотип

CVE-2020-14311

Опубликовано: 31 июл. 2020
Источник: nvd
CVSS3: 5.7
CVSS3: 6
CVSS2: 3.6
EPSS Низкий

Описание

There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.

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_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
Конфигурация 3

Одно из

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Конфигурация 4

Одно из

cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

EPSS

Процентиль: 8%
0.00034
Низкий

5.7 Medium

CVSS3

6 Medium

CVSS3

3.6 Low

CVSS2

Дефекты

CWE-122
CWE-190

Связанные уязвимости

CVSS3: 5.7
ubuntu
около 5 лет назад

There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.

CVSS3: 5.7
redhat
около 5 лет назад

There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.

CVSS3: 6
msrc
почти 5 лет назад

Описание отсутствует

CVSS3: 5.7
debian
около 5 лет назад

There is an issue with grub2 before version 2.06 while handling symlin ...

github
около 3 лет назад

There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.

EPSS

Процентиль: 8%
0.00034
Низкий

5.7 Medium

CVSS3

6 Medium

CVSS3

3.6 Low

CVSS2

Дефекты

CWE-122
CWE-190