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.

Ссылки

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html
Mailing List
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/17/2
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/17/4
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/21/1
Mailing List
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311
Issue Tracking
Third Party Advisory
https://security.gentoo.org/glsa/202104-05
Third Party Advisory
https://usn.ubuntu.com/4432-1/
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html
Mailing List
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/17/2
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/17/4
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/21/1
Mailing List
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311
Issue Tracking
Third Party Advisory
https://security.gentoo.org/glsa/202104-05
Third Party Advisory
https://usn.ubuntu.com/4432-1/
Third Party Advisory

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: 9%

0.00034

Низкий

5.7 Medium

CVSS3

6 Medium

CVSS3

3.6 Low

CVSS2

Дефекты

CWE-122

CWE-190

Связанные уязвимости

CVE-2020-14311

CVSS3: 5.7

ubuntu

почти 5 лет назад

CVE-2020-14311

CVSS3: 5.7

redhat

почти 5 лет назад

CVE-2020-14311

CVSS3: 5.7

debian

почти 5 лет назад

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

GHSA-2jpf-4r7j-42qr

github

около 3 лет назад

BDU:2020-03970

CVSS3: 5.1

fstec

почти 5 лет назад

Уязвимость загрузчика операционных систем Grub2, связанная с выходом операции за границы буфера данных, позволяющая нарушителю оказать влияние на целостность данных или вызвать отказ в обслуживании

EPSS

Процентиль: 9%

0.00034

Низкий

5.7 Medium

CVSS3

6 Medium

CVSS3

3.6 Low

CVSS2

Дефекты

CWE-122

CWE-190