CVE-2023-4693
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-4693
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4693.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-4693
- Downstream
- Related
- Published
- 2023-10-25T18:17:41Z
- Modified
- 2025-08-09T19:01:28Z
- Severity
-
- 4.6 (Medium) CVSS_V3 - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://access.redhat.com/errata/RHSA-2024:2456
- https://access.redhat.com/errata/RHSA-2024:3184
- https://access.redhat.com/security/cve/CVE-2023-4693
- https://bugzilla.redhat.com/show_bug.cgi?id=2238343
- https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/
- https://seclists.org/oss-sec/2023/q4/37
- https://security.gentoo.org/glsa/202311-14
- https://security.netapp.com/advisory/ntap-20231208-0002/
- https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
- 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/