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.

View graph Watch Export

CVSS v3.1

7.7 HIGH

EPSS

1.43%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

ScopeCHANGED

ConfidentialityHIGH

IntegrityLOW

AvailabilityLOW

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

Connections

2 relationships

CWE-909

source

Timeline

disclosure → media coverage

May 20, 2021

Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024