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ubuntuUbuntuUSN-6410-1
HistoryOct 04, 2023 - 12:00 a.m.

GRUB2 vulnerabilities

2023-10-0400:00:00
ubuntu.com
25
ubuntu
grub2
vulnerabilities
heap-based
out-of-bounds
execution bypass
secure boot
protections
filesystem
image
cve-2023-4692
cve-2023-4693
sensitive information

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.6%

JSON

Releases

  • Ubuntu 23.04
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS

Packages

  • grub2-signed - GRand Unified Bootloader
  • grub2-unsigned - GRand Unified Bootloader

Details

It was discovered that a specially crafted file system image could cause a
heap-based out-of-bounds write. A local attacker could potentially use this
to perform arbitrary code execution bypass and bypass secure boot
protections. (CVE-2023-4692)

It was discovered that a specially crafted file system image could cause an
out-of-bounds read. A physically-present attacker could possibly use this
to leak sensitive information to the GRUB pager. (CVE-2023-4693)

OSVersionArchitecturePackageVersionFilename
Ubuntu23.04noarchgrub-efi-amd64< 2.06-2ubuntu17.2UNKNOWN
Ubuntu23.04noarchgrub-efi-amd64-bin< 2.06-2ubuntu17.2UNKNOWN
Ubuntu23.04noarchgrub-efi-amd64-dbg< 2.06-2ubuntu17.2UNKNOWN
Ubuntu23.04noarchgrub-efi-arm64< 2.06-2ubuntu17.2UNKNOWN
Ubuntu23.04noarchgrub-efi-arm64-bin< 2.06-2ubuntu17.2UNKNOWN
Ubuntu23.04noarchgrub-efi-arm64-dbg< 2.06-2ubuntu17.2UNKNOWN
Ubuntu23.04noarchgrub-efi-amd64-signed< 1.193.2+2.06-2ubuntu17.2UNKNOWN
Ubuntu23.04noarchgrub-efi-arm64-signed< 1.193.2+2.06-2ubuntu17.2UNKNOWN
Ubuntu22.04noarchgrub-efi-amd64< 2.06-2ubuntu14.4UNKNOWN
Ubuntu22.04noarchgrub-efi-amd64-bin< 2.06-2ubuntu14.4UNKNOWN
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1-10 of 181

Related

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redos
ROS-20240405-01
2024-04-05 00:00:00
openvas
openvas
Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2024-1035)
2024-01-05 00:00:00
Debian: Security Advisory (DLA-3605-1)
2023-10-06 00:00:00
Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2024-1427)
2024-03-21 00:00:00
nessus
nessus
Amazon Linux 2023 : grub2-common, grub2-efi-aa64, grub2-efi-aa64-cdboot (ALAS2023-2023-408)
2023-11-04 00:00:00
Debian DLA-3605-1 : grub2 - LTS security update
2023-10-05 00:00:00
Debian DSA-5519-1 : grub2 - security update
2023-10-07 00:00:00
debian
debian
[SECURITY] [DSA 5519-1] grub2 security update
2023-10-06 19:03:15
[SECURITY] [DLA 3605-1] grub2 security update
2023-10-05 21:45:55
amazon
amazon
Important: grub2
2023-10-12 15:08:00
osv
osv
grub2-signed, grub2-unsigned vulnerabilities
2023-10-04 01:31:42
grub2 - security update
2023-10-06 00:00:00
grub2 - security update
2023-10-06 00:00:00
redhatcve
redhatcve
CVE-2023-4692
2023-10-03 18:24:36
CVE-2023-4693
2023-10-03 18:24:46
fedora
fedora
[SECURITY] Fedora 39 Update: grub2-2.06-120.fc39
2024-04-29 01:55:42
[SECURITY] Fedora 40 Update: grub2-2.06-121.fc40
2024-04-23 01:15:56
[SECURITY] Fedora 38 Update: grub2-2.06-118.fc38
2024-05-03 01:36:58
rocky
rocky
grub2 security update
2024-06-14 13:59:16
almalinux
almalinux
Moderate: grub2 security update
2024-05-22 00:00:00
Moderate: grub2 security update
2024-04-30 00:00:00
redhat
redhat
(RHSA-2024:3184) Moderate: grub2 security update
2024-05-22 06:35:52
(RHSA-2024:2456) Moderate: grub2 security update
2024-04-30 06:15:45
(RHSA-2024:3683) Moderate: Red Hat OpenShift Service Mesh Containers for 2.5.2 security update
2024-06-06 12:23:35
oraclelinux
oraclelinux
grub2 security update
2024-05-03 00:00:00
grub2 security update
2024-05-24 00:00:00
cbl_mariner
cbl_mariner
CVE-2023-4693 affecting package grub2 for versions less than 2.06-18
2024-04-19 22:15:55
CVE-2023-4692 affecting package grub2 for versions less than 2.06-18
2024-04-19 22:15:55
CVE-2023-4693 affecting package grub2 for versions less than 2.06-13
2024-03-05 17:52:42
ubuntucve
ubuntucve
CVE-2023-4693
2023-10-03 00:00:00
CVE-2023-4692
2023-10-03 00:00:00
debiancve
debiancve
CVE-2023-4693
2023-10-25 18:17:41
CVE-2023-4692
2023-10-25 18:17:41
photon
photon
Important Photon OS Security Update - PHSA-2023-5.0-0130
2023-10-30 00:00:00
Critical Photon OS Security Update - PHSA-2023-4.0-0505
2023-11-04 00:00:00
Critical Photon OS Security Update - PHSA-2023-3.0-0681
2023-11-04 00:00:00
cvelist
cvelist
CVE-2023-4693 Grub2: out-of-bounds read at fs/ntfs.c
2023-10-25 10:27:29
CVE-2023-4692 Grub2: out-of-bounds write at fs/ntfs.c may lead to unsigned code execution
2023-10-25 10:27:29
prion
prion
Design/Logic Flaw
2023-10-25 18:17:00
Heap overflow
2023-10-25 18:17:00
mageia
mageia
Updated grub2 packages fix security vulnerabilities
2024-03-28 06:52:55
nvd
nvd
CVE-2023-4693
2023-10-25 18:17:41
CVE-2023-4692
2023-10-25 18:17:41
cve
cve
CVE-2023-4692
2023-10-25 18:17:41
CVE-2023-4693
2023-10-25 18:17:41
veracode
veracode
Out-of-bounds Read
2023-10-08 22:49:43
Out-of-Bounds Write
2023-10-08 22:49:41
hp
hp
HP ThinPro 8.1 SP 2 Security Updates
2024-04-12 00:00:00

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.6%

JSON
Related for USN-6410-1
redos1openvas25nessus38debian2amazon1osv6redhatcve2fedora3rocky1almalinux2redhat3oraclelinux2cbl_mariner4ubuntucve2debiancve2photon3cvelist2prion2mageia1nvd2cve2veracode2hp1