CVE-2021-23386 Vulnerability Details

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CVE-2021-23386 Metadata Quick Info

CVE Published: 20/05/2021 | CVE Updated: 16/09/2024 | CVE Year: 2021
Source: snyk | Vendor: n/a | Product: dns-packet
Status : PUBLISHED

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CVE-2021-23386 Description

This affects the package dns-packet before 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names.

Metrics

CVSS Version: 3.1 | Base Score: 7.7 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L

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

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

Weakness Enumeration (CWE)

CWE-ID:
CWE Name: Remote Memory Exposure
Source: n/a

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).