CVE-2021-23386

Remote Memory Exposure

CVSS 7.7 HIGHEPSS 1.4%

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

Affected products

n/a · dns-packet

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56 https://hackerone.com/bugs?subject=user&amp%3Breport_id=968858 https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719 https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563