CVE-2023-4693

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Summary

CVECVE-2023-4693
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-10-25 18:17:00 UTC
Updated2024-03-08 19:40:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: CWE-125

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gnu Grub2 All All All All
Application Gnu Grub2 - All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 9.0 All All All

References

ReferenceSourceLinkTags
CVE-2023-4692, CVE-2023-4693: vulnerabilities in the GRUB boot manager – My DFIR Blog MISC dfir.ru
security.netapp.com/advisory/ntap-20231208-0002 security.netapp.com Third Party Advisory
security.gentoo.org/glsa/202311-14 security.gentoo.org Third Party Advisory
2238343 – (CVE-2023-4693) CVE-2023-4693 grub2: out-of-bounds read at fs/ntfs.c MISC bugzilla.redhat.com
oss-sec: CVE-2023-4692, CVE-2023-4693: grub2: OOB write, read via specially crafted NTFS filesystem MISC seclists.org
[SECURITY PATCH 0/6] GRUB2 NTFS driver vulnerabilities - 2023/10/03 MISC lists.gnu.org
cve-details MISC access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 199802 Ubuntu Security Notification for GRUB2 Vulnerabilities (USN-6410-1)
  • 356438 Amazon Linux Security Advisory for grub2 : ALAS2-2023-2292
  • 356613 Amazon Linux Security Advisory for grub2 : ALAS2023-2023-409
  • 356635 Amazon Linux Security Advisory for grub2 : ALAS2023-2023-408
  • 6000116 Debian Security Update for grub2 (DLA 3605-1)
  • 6000174 Debian Security Update for grub2 (DSA 5519-1)
  • 673348 EulerOS Security Update for grub2 (EulerOS-SA-2023-3301)
  • 673390 EulerOS Security Update for grub2 (EulerOS-SA-2024-1060)
  • 673506 EulerOS Security Update for grub2 (EulerOS-SA-2023-3333)
  • 673603 EulerOS Security Update for grub2 (EulerOS-SA-2023-3272)
  • 673664 EulerOS Security Update for grub2 (EulerOS-SA-2024-1270)
  • 673921 EulerOS Security Update for grub2 (EulerOS-SA-2024-1141)
  • 674062 EulerOS Security Update for grub2 (EulerOS-SA-2023-3244)
  • 674085 EulerOS Security Update for grub2 (EulerOS-SA-2024-1084)
  • 710796 Gentoo Linux GRUB Multiple Vulnerabilities (GLSA 202311-14)
  • 755093 SUSE Enterprise Linux Security Update for grub2 (SUSE-SU-2023:4085-1)
  • 755116 SUSE Enterprise Linux Security Update for grub2 (SUSE-SU-2023:4130-1)
  • 755125 SUSE Enterprise Linux Security Update for grub2 (SUSE-SU-2023:4141-1)
  • 755126 SUSE Enterprise Linux Security Update for grub2 (SUSE-SU-2023:4140-1)
  • 908007 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (31685-1)
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