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.
Published: 2024-01-29
Score: 6.2 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Workaround

There's no available mitigation for this issue.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3813-1 shim security update
EUVD EUVD EUVD-2023-45120 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.
History

Sun, 24 Nov 2024 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Fedoraproject Fedora
Redhat Enterprise Linux Rhel Aus Rhel E4s Rhel Eus Rhel Tus Shim
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-11-20T19:53:36.835Z

Reserved: 2023-08-15T20:04:15.615Z

Link: CVE-2023-40549

cve-icon Vulnrichment

Updated: 2024-08-02T18:38:50.333Z

cve-icon NVD

Status : Modified

Published: 2024-01-29T17:15:08.580

Modified: 2024-11-21T08:19:42.003

Link: CVE-2023-40549

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-01-23T00:00:00Z

Links: CVE-2023-40549 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses