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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.
Metrics
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Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html
CVE Modified by Red Hat, Inc.6/10/2024 2:15:22 PM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html [No types assigned]
CVE Modified by Red Hat, Inc.5/14/2024 9:39:24 AM
Action
Type
Old Value
New Value
CVE Modified by Red Hat, Inc.4/29/2024 10:15:07 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2086 [No types assigned]
CVE Modified by Red Hat, Inc.4/25/2024 10:15:08 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1902 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1903 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1959 [No types assigned]
CVE Modified by Red Hat, Inc.4/18/2024 12:15:09 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1873 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1876 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1883 [No types assigned]
CVE Modified by Red Hat, Inc.4/16/2024 12:15:07 PM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1834 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1835 [No types assigned]
Initial Analysis by NIST2/05/2024 4:33:24 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added
CWE
NIST CWE-125
Added
CPE Configuration
OR
*cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:* versions up to (excluding) 15.8
Added
CPE Configuration
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:*:*:*:*:*:*:*
Changed
Reference Type
https://access.redhat.com/security/cve/CVE-2023-40549 No Types Assigned
New CVE Received from Red Hat, Inc.1/29/2024 12:15:08 PM
Action
Type
Old Value
New Value
Added
Description
An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.
Added
CVSS V3.1
Red Hat, Inc. AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CWE
Red Hat, Inc. CWE-125
Added
Reference
Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2023-40549 [No types assigned]
Added
Reference
Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2241797 [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2023-40549 NVD
Published Date: 01/29/2024 NVD
Last Modified: 11/21/2024
Source: Red Hat, Inc.