Vulnerability CVE-2023-4693: Information

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.

Severity: MEDIUM (4.6) Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

URL: https://nvd.nist.gov/vuln/detail/CVE-2023-4693
Published: Oct. 25, 2023
Modified: May 3, 2024
Error type identifier: CWE-125

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
grubsisyphus2.06-alt172.06-alt19ALT-PU-2024-1457-3337825Fixed
grubp102.06-alt172.06-alt17ALT-PU-2024-1607-2339331Fixed
shimsisyphus15.7-alt415.8-alt2ALT-PU-2024-1455-2337825Fixed
shimp1015.7-alt415.8-alt1ALT-PU-2024-1609-2339331Fixed
shimc10f115.8-alt115.8-alt1ALT-PU-2024-4050-2342790Fixed
shimc9f215.8-alt115.8-alt1ALT-PU-2024-1869-3339892Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2238343
  • Issue Tracking
  • Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4693
  • Third Party Advisory
https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/
  • Exploit
  • Third Party Advisory
https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
  • Mailing List
https://seclists.org/oss-sec/2023/q4/37
  • Mailing List
  • Third Party Advisory
https://security.gentoo.org/glsa/202311-14
  • Third Party Advisory
https://security.netapp.com/advisory/ntap-20231208-0002/
  • Third Party Advisory
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/FUU42E7CPYLATXOYVYNW6YTXXULAOV6L/
      RHSA-2024:2456
        https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PERFILCHFEUGG3OAMC6W55P6DDIBZK4Q/

            1. Configuration 1

              cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
              End excliding
              2.12

              Configuration 2

              cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
              cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
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