Vulnerability Description
Texas Instruments CC256x and WL18xx dual-mode Bluetooth controller devices, when LE scan mode is used, allow remote attackers to trigger a buffer overflow via a malformed Bluetooth Low Energy advertising packet, to cause a denial of service or potentially execute arbitrary code. This affects CC256xC-BT-SP 1.2, CC256xB-BT-SP 1.8, and WL18xx-BT-SP 4.4.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ti | Cc256Xc-Bt-Sp Firmware | <= 1.2 |
| Ti | Cc256Xc-Bt-Sp | - |
| Ti | Cc256Xb-Bt-Sp Firmware | <= 1.8 |
| Ti | Cc256Xb-Bt-Sp | - |
| Ti | Wl18Xx-Bt-Sp Firmware | <= 4.4 |
| Ti | Wl18Xx-Bt-Sp | - |
Related Weaknesses (CWE)
References
- https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161Third Party Advisory
- https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv
- https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCE
- https://www.linkedin.com/in/veronica-kovah-2587185Not Applicable
- https://www.youtube.com/watch?v=bk5lOxieqbA
- https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161Third Party Advisory
- https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv
- https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCE
- https://www.linkedin.com/in/veronica-kovah-2587185Not Applicable
- https://www.youtube.com/watch?v=bk5lOxieqbA
FAQ
What is CVE-2019-15948?
CVE-2019-15948 is a vulnerability with a CVSS score of 8.8 (HIGH). Texas Instruments CC256x and WL18xx dual-mode Bluetooth controller devices, when LE scan mode is used, allow remote attackers to trigger a buffer overflow via a malformed Bluetooth Low Energy advertis...
How severe is CVE-2019-15948?
CVE-2019-15948 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-15948?
Check the references section above for vendor advisories and patch information. Affected products include: Ti Cc256Xc-Bt-Sp Firmware, Ti Cc256Xc-Bt-Sp, Ti Cc256Xb-Bt-Sp Firmware, Ti Cc256Xb-Bt-Sp, Ti Wl18Xx-Bt-Sp Firmware.