CVE-2020-14309 Vulnerability Details

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CVE-2020-14309 Metadata Quick Info

CVE Published: 30/07/2020 | CVE Updated: 04/08/2024 | CVE Year: 2020
Source: redhat | Vendor: n/a | Product: Grub
Status : PUBLISHED

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CVE-2020-14309 Description

There\'s an issue with grub2 in all versions before 2.06 when handling squashfs filesystems containing a symbolic link with name length of UINT32 bytes in size. The name size leads to an arithmetic overflow leading to a zero-size allocation further causing a heap-based buffer overflow with attacker controlled data.

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 Name: Integer Overflow or Wraparound leading to Heap-based Buffer Overflow
Source: n/a

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).