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CVE-2021-23386

HIGH

7.7

Description

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.

CVE Details

CVSS v3.1 Score7.7

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published5/20/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

dns-packet_project:dns-packet

Weaknesses (CWE)

CWE-909

References

https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56(report@snyk.io)

https://hackerone.com/bugs?subject=user&amp%3Breport_id=968858(report@snyk.io)

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719(report@snyk.io)

https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563(report@snyk.io)

https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56(af854a3a-2127-422b-91ae-364da2661108)

https://hackerone.com/bugs?subject=user&amp%3Breport_id=968858(af854a3a-2127-422b-91ae-364da2661108)

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719(af854a3a-2127-422b-91ae-364da2661108)

https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.