PT-2021-10908 · Realtek · Realtek Rtl8723De Ble Stack

Published 2021-04-08 · Updated 2021-04-14 · CVE-2020-23539

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Realtek rtl8723de BLE Stack versions <= 4.1

Description An issue in the Realtek rtl8723de BLE Stack allows remote attackers to cause a Denial of Service. This can be achieved by manipulating the interval field in the CONNECT REQ message.

Recommendations For Realtek rtl8723de BLE Stack versions <= 4.1, consider disabling the BLE functionality until a patch is available to prevent potential Denial of Service attacks.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2020-23539

Affected Products

Realtek Rtl8723De Ble Stack

References · 3

• 🔥❌ https://github.com/pokerfacett/MY_REQUEST/blob/df73fe140655ea44542b03ac186e6c2b47e97540/Realtek%208723ds%20BLE%20SDK%20denial%20of%20service%20attack.md · Exploit, Deleted
• https://osv.dev/vulnerability/CVE-2020-23539 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-23539 · Security Note