Code Injection in Espressif Systems products - CVE-2021-28139
Published: September 6, 2021 / Updated: September 6, 2021
Vulnerability identifier: #VU56308
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-28139
CWE-ID: CWE-94
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the Bluetooth Classic implementation does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet. A remote attacker in radio range can use a specially crafted Extended Features bitfield payload and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
ESP-WROVER-KIT
ESP-IDF
ESP32
MDZ-36-DB
JBL TUNE500BT
ESP-IDF
ESP32
MDZ-36-DB
JBL TUNE500BT
How to mitigate CVE-2021-28139
Install update from vendor's website.
ESP-IDF - update to 4.4
ESP32 - update to 4.4
ESP32 - update to 4.4