CVE-2023-40550

An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.
Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

History

21 Nov 2024, 08:19

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html -
References () https://access.redhat.com/errata/RHSA-2024:1834 - () https://access.redhat.com/errata/RHSA-2024:1834 -
References () https://access.redhat.com/errata/RHSA-2024:1835 - () https://access.redhat.com/errata/RHSA-2024:1835 -
References () https://access.redhat.com/errata/RHSA-2024:1873 - () https://access.redhat.com/errata/RHSA-2024:1873 -
References () https://access.redhat.com/errata/RHSA-2024:1876 - () https://access.redhat.com/errata/RHSA-2024:1876 -
References () https://access.redhat.com/errata/RHSA-2024:1883 - () https://access.redhat.com/errata/RHSA-2024:1883 -
References () https://access.redhat.com/errata/RHSA-2024:1902 - () https://access.redhat.com/errata/RHSA-2024:1902 -
References () https://access.redhat.com/errata/RHSA-2024:1903 - () https://access.redhat.com/errata/RHSA-2024:1903 -
References () https://access.redhat.com/errata/RHSA-2024:1959 - () https://access.redhat.com/errata/RHSA-2024:1959 -
References () https://access.redhat.com/errata/RHSA-2024:2086 - () https://access.redhat.com/errata/RHSA-2024:2086 -
References () https://access.redhat.com/security/cve/CVE-2023-40550 - Vendor Advisory () https://access.redhat.com/security/cve/CVE-2023-40550 - Vendor Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2259915 - Issue Tracking, Vendor Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=2259915 - Issue Tracking, Vendor Advisory

16 Sep 2024, 19:16

Type Values Removed Values Added
References
  • {'url': 'https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html', 'source': 'secalert@redhat.com'}

10 Jun 2024, 18:15

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html -

29 Apr 2024, 14:15

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2024:2086 -

25 Apr 2024, 14:15

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2024:1902 -
  • () https://access.redhat.com/errata/RHSA-2024:1903 -
  • () https://access.redhat.com/errata/RHSA-2024:1959 -

18 Apr 2024, 05:15

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2024:1834 -
  • () https://access.redhat.com/errata/RHSA-2024:1835 -
  • () https://access.redhat.com/errata/RHSA-2024:1873 -
  • () https://access.redhat.com/errata/RHSA-2024:1876 -
  • () https://access.redhat.com/errata/RHSA-2024:1883 -

05 Feb 2024, 21:38

Type Values Removed Values Added
CPE cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
First Time Fedoraproject
Redhat enterprise Linux
Fedoraproject fedora
Redhat shim
Redhat
References () https://access.redhat.com/security/cve/CVE-2023-40550 - () https://access.redhat.com/security/cve/CVE-2023-40550 - Vendor Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2259915 - () https://bugzilla.redhat.com/show_bug.cgi?id=2259915 - Issue Tracking, Vendor Advisory
Summary
  • (es) Se encontró un fallo de lectura fuera de los límites en Shim cuando intentó validar la información SBAT. Este problema puede exponer datos confidenciales durante la fase de inicio del sistema.

29 Jan 2024, 17:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-01-29 17:15

Updated : 2024-11-21 08:19


NVD link : CVE-2023-40550

Mitre link : CVE-2023-40550

CVE.ORG link : CVE-2023-40550


JSON object : View

Products Affected

redhat

  • enterprise_linux
  • shim

fedoraproject

  • fedora
CWE
CWE-125

Out-of-bounds Read