Vulnerabilities > CVE-2023-40546 - NULL Pointer Dereference vulnerability in multiple products

CVSS 5.5 - MEDIUM

Attack vector

LOCAL

Attack complexity

LOW

Privileges required

LOW

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

local

low complexity

redhat

fedoraproject

CWE-476

NVD

Published: 2024-01-29

Updated: 2024-09-16

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Redhat Redhat Shim - Redhat Shim 0.3 Redhat Shim 0.4 Redhat Shim 0.5 Redhat Shim 0.7 Redhat Shim 0.8 Redhat Shim 0.9 Redhat Shim 1.0.4 Redhat Shim 1.0.5 Redhat Shim 1.0.6 Redhat Shim 1.0.7 Redhat Shim 1.0.8 Redhat Shim 1.0.9 Redhat Shim 1.1.0 Redhat Shim 1.1.1 Redhat Shim 10 Redhat Shim 11 Redhat Shim 12 Redhat Shim 13 Redhat Shim 14 Redhat Shim 15 Redhat Shim 15.1 Redhat Shim 15.2 Redhat Shim 15.3 Redhat Shim 15.4 Redhat Shim 15.5 Redhat Shim 15.6 Redhat Shim 15.7 Redhat Shim 15.8	38
OS	Redhat Redhat Enterprise Linux 8.0 Redhat Enterprise Linux 9.0	2
OS	Fedoraproject Fedoraproject Fedora 39	1

Common Weakness Enumeration (CWE)

CWE-476 - NULL Pointer Dereference

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References