CVE Vulnerability

CVE-2021-23386

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.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719 Patch Third Party Advisory
https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563 Patch Third Party Advisory
https://hackerone.com/bugs?subject=user&%3Breport_id=968858 Permissions Required Third Party Advisory
https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:dns-packet_project:dns-packet:*:*:*:*:*:node.js:*:*
cpe:2.3:a:dns-packet_project:dns-packet:*:*:*:*:*:node.js:*:*
Information

Published : 2021-05-20 05:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-23386

Mitre link : CVE-2021-23386

Products Affected
No products.
CWE
CWE-909