CVE-2023-40548 Vulnerability Details

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CVE-2023-40548 Metadata Quick Info

CVE Published: 29/01/2024 | CVE Updated: 24/11/2024 | CVE Year: 2023
Source: redhat | Vendor: Red Hat | Product: Red Hat Enterprise Linux 7
Status : PUBLISHED

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CVE-2023-40548 Description

A buffer overflow was found in Shim in the 32-bit system. The overflow happens due to an addition operation involving a user-controlled value parsed from the PE binary being used by Shim. This value is further used for memory allocation operations, leading to a heap-based buffer overflow. This flaw causes memory corruption and can lead to a crash or data integrity issues during the boot phase.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
    Attack Vector (AV)*
    Attack Complexity (AC)*
    Privileges Required (PR)*
    User Interaction (UI)*
    Scope (S)*

l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

CWE-ID: CWE-787
CWE Name: Out-of-bounds Write
Source: Red Hat

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).