CVE-2021-31609
Last modified
CVE-2021-31609 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The Bluetooth Classic implementation in Silicon Labs iWRAP 6.3.0 and earlier does not properly handle the reception of an oversized LMP packet greater than 17 bytes, allowing attackers in radio range to trigger a crash in WT32i via a crafted LMP packet.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
The Bluetooth Classic implementation in Silicon Labs iWRAP 6.3.0 and earlier does not properly handle the reception of an oversized LMP packet greater than 17 bytes, allowing attackers in radio range to trigger a crash in WT32i via a crafted LMP packet.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Silabs | Iwrap | <= 6.3.0 |
References
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdfTechnical Description, Third Party Advisory
- https://www.silabs.com/wireless/bluetooth/bluegiga-classic-legacy-modules/device.wt32i-aProduct, Vendor Advisory
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdfTechnical Description, Third Party Advisory
- https://www.silabs.com/wireless/bluetooth/bluegiga-classic-legacy-modules/device.wt32i-aProduct, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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