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nvd[email protected]NVD:CVE-2020-15706
HistoryJul 29, 2020 - 6:15 p.m.

CVE-2020-15706

2020-07-2918:15:14
CWE-416
CWE-362
web.nvd.nist.gov
1

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

6.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

62.0%

GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.

Affected configurations

NVD
Node
gnugrub2Range2.04
Node
redhatenterprise_linux_atomic_hostMatch-
OR
redhatopenshift_container_platformMatch4.0
OR
canonicalubuntu_linuxMatch14.04esm
OR
canonicalubuntu_linuxMatch16.04lts
OR
canonicalubuntu_linuxMatch18.04lts
OR
canonicalubuntu_linuxMatch20.04lts
OR
debiandebian_linuxMatch10.0
OR
redhatenterprise_linuxMatch7.0
OR
redhatenterprise_linuxMatch8.0
OR
susesuse_linux_enterprise_serverMatch11
OR
susesuse_linux_enterprise_serverMatch12
OR
susesuse_linux_enterprise_serverMatch15
Node
microsoftwindows_10Match-
OR
microsoftwindows_10Match1607
OR
microsoftwindows_10Match1709
OR
microsoftwindows_10Match1803
OR
microsoftwindows_10Match1809
OR
microsoftwindows_10Match1903
OR
microsoftwindows_10Match1909
OR
microsoftwindows_10Match2004
OR
microsoftwindows_8.1Match-
OR
microsoftwindows_rt_8.1Match-
OR
microsoftwindows_server_2012Match-
OR
microsoftwindows_server_2012Matchr2
OR
microsoftwindows_server_2016Match-
OR
microsoftwindows_server_2016Match1903
OR
microsoftwindows_server_2016Match1909
OR
microsoftwindows_server_2016Match2004
OR
microsoftwindows_server_2019Match-
Node
opensuseleapMatch15.1
OR
opensuseleapMatch15.2
Node
canonicalubuntu_linuxMatch14.04esm
OR
canonicalubuntu_linuxMatch16.04esm
OR
canonicalubuntu_linuxMatch18.04lts
OR
canonicalubuntu_linuxMatch20.04lts

References

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

6.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

62.0%