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Vulnerability details: VCID-pun4-pr3v-aaaf
Vulnerability ID VCID-pun4-pr3v-aaaf
Aliases CVE-2023-4692
Summary An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code execution and secure boot protection bypass may be achieved.
Status Published
Exploitability 0.5
Weighted Severity 7.0
Risk 3.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-122 Heap-based Buffer Overflow
System Score Found at
cvssv3.1 3.3 https://access.redhat.com/errata/RHSA-2024:2456
ssvc Track https://access.redhat.com/errata/RHSA-2024:2456
cvssv3.1 3.3 https://access.redhat.com/errata/RHSA-2024:3184
ssvc Track https://access.redhat.com/errata/RHSA-2024:3184
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4692.json
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 0.00184 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
cvssv3.1 7.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 7.8 https://nvd.nist.gov/vuln/detail/CVE-2023-4692
cvssv3.1 7.8 https://nvd.nist.gov/vuln/detail/CVE-2023-4692
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4692.json
https://access.redhat.com/security/cve/CVE-2023-4692
https://api.first.org/data/v1/epss?cve=CVE-2023-4692
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4692
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4693
https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FUU42E7CPYLATXOYVYNW6YTXXULAOV6L/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIRJ5UZRXX2KLR4IKBJEQUNGOCXMMDLY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PERFILCHFEUGG3OAMC6W55P6DDIBZK4Q/
https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
https://seclists.org/oss-sec/2023/q4/37
https://security.netapp.com/advisory/ntap-20231208-0002/
2236613 https://bugzilla.redhat.com/show_bug.cgi?id=2236613
cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub2:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:grub2:-:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
CVE-2023-4692 https://nvd.nist.gov/vuln/detail/CVE-2023-4692
GLSA-202311-14 https://security.gentoo.org/glsa/202311-14
RHSA-2024:2456 https://access.redhat.com/errata/RHSA-2024:2456
RHSA-2024:3184 https://access.redhat.com/errata/RHSA-2024:3184
USN-6410-1 https://usn.ubuntu.com/6410-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/errata/RHSA-2024:2456
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-02-26T20:13:20Z/ Found at https://access.redhat.com/errata/RHSA-2024:2456
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/errata/RHSA-2024:3184
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-02-26T20:13:20Z/ Found at https://access.redhat.com/errata/RHSA-2024:3184
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4692.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-4692
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-4692
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.05178
EPSS Score 0.00042
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.