Buffer overflow in Ti Cc256xb-Bt-Sp
CVE-2019-15948
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.025 · change: -0.007
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.linkedin.com/in/veronica-kovah-2587185 (Not Applicable)
- e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161 (Third Party Advisory)
- github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs
- github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv_rce.py
- www.youtube.com/watch
Frequently asked questions
- What is CVE-2019-15948?
- CVE-2019-15948 is a high-severity vulnerability in Ti Cc256xb-Bt-Sp, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2019-11-13.
- How severe is CVE-2019-15948?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-15948 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.