CVE-2021-32495 Vulnerability Details

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CVE-2021-32495 Metadata Quick Info

CVE Published: 07/07/2023 | CVE Updated: 12/11/2024 | CVE Year: 2021
Source: fedora | Vendor: radare2 | Product: radare2
Status : PUBLISHED

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CVE-2021-32495 Description

Radare2 has a use-after-free vulnerability in pyc parser\'s get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.

Metrics

CVSS Version: 3.1 | Base Score: 10 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* CHANGED

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

Weakness Enumeration (CWE)

CWE-ID: CWE-416
CWE Name: CWE-416 Use After Free
Source: radare2

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID: CAPEC-130
CAPEC Description: CAPEC-130 Excessive Allocation


Source: NVD (National Vulnerability Database).