CVE-2019-15948 — Texas Instruments CC256x and WL18xx dual-mode Bluetooth controller devices, when
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.
Published
2019-11-13T15:06:29.000Z
Last modified
2024-08-05T01:03:32.307Z
01What is this vulnerability?
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.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2019-11-13T15:06:29.000Z
- Last modified: 2024-08-05T01:03:32.307Z
09References
- www.linkedin.com — https://www.linkedin.com/in/veronica-kovah-2587185
- e2e.ti.com — https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161
- github.com — https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCE…
- github.com — https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv…
- www.youtube.com — https://www.youtube.com/watch?v=bk5lOxieqbA
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