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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:N/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

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&amp%3Breport_id=968858	Permissions Required Third Party Advisory
https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	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 10:15

Updated : 2022-07-12 10:42

NVD link : CVE-2021-23386

Mitre link : CVE-2021-23386

JSON object : View

CWE

CWE-909

Missing Initialization of Resource

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Products Affected

dns-packet_project

dns-packet

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