Home/CVE/Possible denial of service due to improper validation of DNS response when DNS client requests with PTR, NAPTR or SRV qu
CVE

CVE-2021-30307

Possible denial of service due to improper validation of DNS response when DNS client requests with PTR, NAPTR or SRV qu

Possible denial of service due to improper validation of DNS response when DNS client requests with PTR, NAPTR or SRV query type in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT.

HIGH · CVSS 7.5 EPSS 0.0026
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-617Reachable Assertion
▤

Affected Products & Versions

60
qualcomm ar8035 firmwareall versions
qualcomm csrb31024 firmwareall versions
qualcomm qca6174a firmwareall versions
qualcomm qca6390 firmwareall versions
qualcomm qca6391 firmwareall versions
qualcomm qca6426 firmwareall versions
qualcomm qca6436 firmwareall versions
qualcomm qca6564au firmwareall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · product-security@qualcomm.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Jan 2022 · 12:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

1
android-securityANDROID-2022-01-01High
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.qualcomm.com/company/product-security/bulletins/january-2022-bulletinVendor Advisory
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