CVE-2023-4693
Grub2 NTFS OOB Read Vulnerability
Description
An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk.
INFO
Published Date :
Oct. 25, 2023, 6:17 p.m.
Last Modified :
Nov. 21, 2024, 8:35 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.0
Exploitability Score :
0.8
Public PoC/Exploit Available at Github
CVE-2023-4693 has a 10 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-4693.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
shim-review but not forked to be able to use LFS
Dockerfile Shell
None
Dockerfile
None
Dockerfile Makefile
None
Dockerfile
None
Dockerfile Shell
None
Dockerfile
Repository for all information needed for shim-review
Dockerfile
shim-review for Navix
Dockerfile
Reviews of shim
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-4693 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-4693 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2024:2456 Added Reference https://access.redhat.com/errata/RHSA-2024:3184 Added Reference https://access.redhat.com/security/cve/CVE-2023-4693 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2238343 Added Reference https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/ Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/FUU42E7CPYLATXOYVYNW6YTXXULAOV6L/ Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/OIRJ5UZRXX2KLR4IKBJEQUNGOCXMMDLY/ Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/PERFILCHFEUGG3OAMC6W55P6DDIBZK4Q/ Added Reference https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html Added Reference https://seclists.org/oss-sec/2023/q4/37 Added Reference https://security.gentoo.org/glsa/202311-14 Added Reference https://security.netapp.com/advisory/ntap-20231208-0002/ -
CVE Modified by [email protected]
Sep. 16, 2024
Action Type Old Value New Value Removed Reference Red Hat, Inc. https://security.gentoo.org/glsa/202311-14 Removed Reference Red Hat, Inc. https://security.netapp.com/advisory/ntap-20231208-0002/ Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/OIRJ5UZRXX2KLR4IKBJEQUNGOCXMMDLY/ Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/FUU42E7CPYLATXOYVYNW6YTXXULAOV6L/ Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/PERFILCHFEUGG3OAMC6W55P6DDIBZK4Q/ -
CVE Modified by [email protected]
May. 22, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:3184 [No types assigned] -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 03, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/PERFILCHFEUGG3OAMC6W55P6DDIBZK4Q/ [No types assigned] -
CVE Modified by [email protected]
Apr. 30, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2456 [No types assigned] -
CVE Modified by [email protected]
Apr. 29, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/FUU42E7CPYLATXOYVYNW6YTXXULAOV6L/ [No types assigned] -
CVE Modified by [email protected]
Apr. 23, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/OIRJ5UZRXX2KLR4IKBJEQUNGOCXMMDLY/ [No types assigned] -
Modified Analysis by [email protected]
Mar. 08, 2024
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202311-14 No Types Assigned https://security.gentoo.org/glsa/202311-14 Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20231208-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20231208-0002/ Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:gnu:grub2:-:*:*:*:*:*:*:* OR *cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:* versions up to (excluding) 2.12 -
CVE Modified by [email protected]
Dec. 08, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://security.netapp.com/advisory/ntap-20231208-0002/ [No types assigned] -
CVE Modified by [email protected]
Nov. 25, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://security.gentoo.org/glsa/202311-14 [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added CWE Red Hat, Inc. CWE-125 -
Initial Analysis by [email protected]
Nov. 01, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-4693 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-4693 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2238343 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2238343 Issue Tracking, Third Party Advisory Changed Reference Type https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/ No Types Assigned https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/ Exploit, Third Party Advisory Changed Reference Type https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html No Types Assigned https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html Mailing List Changed Reference Type https://seclists.org/oss-sec/2023/q4/37 No Types Assigned https://seclists.org/oss-sec/2023/q4/37 Mailing List, Third Party Advisory Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:a:gnu:grub2:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-4693 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-4693
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} -0.00%
score
0.30428
percentile