Vulnerabilities > CVE-2021-23386 - Missing Initialization of Resource vulnerability in Dns-Packet Project Dns-Packet

CVSS 4.0 - MEDIUM

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

SINGLE

Confidentiality impact

PARTIAL

Integrity impact

NONE

Availability impact

NONE

network

low complexity

dns-packet-project

CWE-909

NVD

Published: 2021-05-20

Updated: 2022-07-12

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Dns-Packet_Project DNS Packet Project DNS Packet - DNS Packet Project DNS Packet 1.0.0 DNS Packet Project DNS Packet 1.0.1 DNS Packet Project DNS Packet 1.0.2 DNS Packet Project DNS Packet 1.1.0 DNS Packet Project DNS Packet 1.1.1 DNS Packet Project DNS Packet 1.2.0 DNS Packet Project DNS Packet 1.2.1 DNS Packet Project DNS Packet 1.2.2 DNS Packet Project DNS Packet 1.3.0 DNS Packet Project DNS Packet 1.3.1 DNS Packet Project DNS Packet 1.3.2 DNS Packet Project DNS Packet 1.3.3 DNS Packet Project DNS Packet 2.0.0 DNS Packet Project DNS Packet 3.0.0 DNS Packet Project DNS Packet 3.0.1 DNS Packet Project DNS Packet 4.0.0 DNS Packet Project DNS Packet 4.1.0 DNS Packet Project DNS Packet 4.1.1 DNS Packet Project DNS Packet 4.2.0 DNS Packet Project DNS Packet 5.0.0 DNS Packet Project DNS Packet 5.0.1 DNS Packet Project DNS Packet 5.0.2 DNS Packet Project DNS Packet 5.0.3 DNS Packet Project DNS Packet 5.0.4 DNS Packet Project DNS Packet 5.1.0 DNS Packet Project DNS Packet 5.1.1 DNS Packet Project DNS Packet 5.1.2 DNS Packet Project DNS Packet 5.2.0 DNS Packet Project DNS Packet 5.2.1	30

Common Weakness Enumeration (CWE)

CWE-909 - Missing Initialization of Resource

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References