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.
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
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
Dependency Hierarchy: - build-angular-0.900.5.tgz (Root Library) - webpack-dev-server-3.9.0.tgz - bonjour-3.5.0.tgz - multicast-dns-6.2.3.tgz - :x: **dns-packet-1.3.1.tgz** (Vulnerable Library)
Found in HEAD commit: 12f61a881802e845894d7e1eca6460cdc9bc92a2
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
For more information on CVSS3 Scores, click here.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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