High severity · published Nov 13, 2019
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…
8.8
CVSS
2.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cc256xb-bt-sp Firmware · TI
through 1.8 · source: NVD
CF
Cc256xc-bt-sp Firmware · TI
through 1.2 · source: NVD
WF
Wl18xx-bt-sp Firmware · TI
through 4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15948
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15948
Third Party Advisory
https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161
github.com
https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv_rce.py
github.com
https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs
Not Applicable
https://www.linkedin.com/in/veronica-kovah-2587185
www.youtube.com
https://www.youtube.com/watch?v=bk5lOxieqbA