Home/CVE/Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon
CVE

CVE-2021-1943

Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon

Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking.

HIGH · CVSS 7.5 EPSS 0.00394
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

60
qualcomm apq8053 firmwareall versions
qualcomm aqt1000 firmwareall versions
qualcomm ar9380 firmwareall versions
qualcomm csr8811 firmwareall versions
qualcomm csrb31024 firmwareall versions
qualcomm ipq4018 firmwareall versions
qualcomm ipq4019 firmwareall versions
qualcomm ipq4028 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 Jul 2021 · 06:15 AM
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-2021-07-01High
🔗

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/july-2021-bulletinPatchVendor Advisory
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