CVE-2023-40546

A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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
https://access.redhat.com/errata/RHSA-2024:1902
https://access.redhat.com/errata/RHSA-2024:1903
https://access.redhat.com/errata/RHSA-2024:1959
https://access.redhat.com/errata/RHSA-2024:2086
https://access.redhat.com/security/cve/CVE-2023-40546	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2241796	Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html

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

No history.

Information

Published : 2024-01-29 17:15

Updated : 2024-06-10 18:15

NVD link : CVE-2023-40546

Mitre link : CVE-2023-40546

CVE.ORG link : CVE-2023-40546

JSON object : View

Products Affected

redhat

enterprise_linux
shim

fedoraproject

fedora

CWE

CWE-476

NULL Pointer Dereference

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