CVE-2021-23386
7.7
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | dns-packet | unspecified < 5.2.2 | affected |
Weaknesses
- Remote Memory Exposure
ADP Enrichment
CVE Program Container
Additional References
- https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719
- https://hackerone.com/bugs?subject=user&%3Breport_id=968858
- https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56
References
- https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719
- https://hackerone.com/bugs?subject=user&%3Breport_id=968858
- https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.