CVE-2021-23386 (Medium) detected in dns-packet-1.3.1.tgz
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CVE-2021-23386 - Medium Severity Vulnerability
Vulnerable Library - dns-packet-1.3.1.tgz
An abstract-encoding compliant module for encoding / decoding DNS packets
Library home page: https://registry.npmjs.org/dns-packet/-/dns-packet-1.3.1.tgz
Path to dependency file: found/package.json
Path to vulnerable library: found/node_modules/dns-packet/package.json
Dependency Hierarchy:
- laravel-mix-6.0.19.tgz (Root Library)
- webpack-dev-server-4.0.0-beta.2.tgz
- bonjour-3.5.0.tgz
- multicast-dns-6.2.3.tgz
- ❌ dns-packet-1.3.1.tgz (Vulnerable Library)
- multicast-dns-6.2.3.tgz
- bonjour-3.5.0.tgz
- webpack-dev-server-4.0.0-beta.2.tgz
Found in HEAD commit: bc6cdd8e8ff5cfd14985ac0596f3665df23ee792
Found in base branch: master
Vulnerability Details
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.
Publish Date: 2021-05-20
URL: CVE-2021-23386
CVSS 3 Score Details (6.5)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: High
- Integrity Impact: None
- Availability Impact: None
Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23386
Release Date: 2021-05-20
Fix Resolution: dns-packet - 5.2.2
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