CVE-2019-19196
Last modified
CVE-2019-19196 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The Bluetooth Low Energy Secure Manager Protocol (SMP) implementation on Telink Semiconductor BLE SDK versions before November 2019 for TLSR8x5x through 3.4.0, TLSR823x through 1.3.0, and TLSR826x through 3.3 devices accepts a pairing request with a key size greater than 16 bytes, allowing an attacker in radio range to cause a buffer overflow and denial of service (crash) via crafted packets.. EPSS estimates a 1.36% chance of exploitation in the next 30 days.
Description
The Bluetooth Low Energy Secure Manager Protocol (SMP) implementation on Telink Semiconductor BLE SDK versions before November 2019 for TLSR8x5x through 3.4.0, TLSR823x through 1.3.0, and TLSR826x through 3.3 devices accepts a pairing request with a key size greater than 16 bytes, allowing an attacker in radio range to cause a buffer overflow and denial of service (crash) via crafted packets.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Telink-Semi | Tlsr8258 Ble Sdk | <= 3.4.0 |
| Telink-Semi | Tlsr8269 Ble Sdk | <= 3.3 |
| Telink-Semi | Tlsr8253 Ble Sdk | <= 3.4.0 |
| Telink-Semi | Tlsr8251 Ble Sdk | <= 3.4.0 |
| Telink-Semi | Tlsr8232 Ble Sdk | <= 1.3.0 |
References
- http://www.telink-semi.com/bleVendor Advisory
- https://asset-group.github.io/disclosures/sweyntooth/Exploit, Third Party Advisory
- http://www.telink-semi.com/bleVendor Advisory
- https://asset-group.github.io/disclosures/sweyntooth/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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