6.5
MEDIUM
CVE-2021-31612
"Zhuhai Jieli AC690X Bluetooth Classic LMP Oversized Packet Deadlock Vulnerability"
Description

The Bluetooth Classic implementation on Zhuhai Jieli AC690X devices does not properly handle the reception of an oversized LMP packet greater than 17 bytes during the LMP auto rate procedure, allowing attackers in radio range to trigger a deadlock via a crafted LMP packet.

INFO

Published Date :

Sept. 7, 2021, 7:15 a.m.

Last Modified :

Sept. 15, 2021, 12:02 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2021-31612 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-31612 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Zh-jieli ac6901_firmware
2 Zh-jieli ac690n_firmware
3 Zh-jieli ac692n_firmware
4 Zh-jieli ac6902_firmware
5 Zh-jieli ac6903_firmware
6 Zh-jieli ac6905_firmware
7 Zh-jieli ac6904_firmware
8 Zh-jieli ac6907_firmware
9 Zh-jieli ac6908_firmware
10 Zh-jieli ac6997_firmware
11 Zh-jieli ac6998_firmware
12 Zh-jieli ac6999_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-31612.

URL Resource
http://www.zh-jieli.com/product/68-cn.html Product Vendor Advisory
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Broken Link
https://launchstudio.bluetooth.com/ListingDetails/19746 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 2 years, 6 months ago
0 stars 0 fork 0 watcher
Born at : April 5, 2022, 9:49 p.m. This repo has been linked 64 different CVEs too.

A Series of Baseband & LMP Exploits against Bluetooth Classic Controllers

Updated: 1 month ago
430 stars 83 fork 83 watcher
Born at : June 7, 2021, 6:52 p.m. This repo has been linked 25 different CVEs too.

List of Bluetooth BR/EDR/LE security resources

bluetooth bluetooth-low-energy bluetooth-security pentesting penetration-testing security awesome awesome-list ble bluetooth-hacking

Updated: 1 month ago
499 stars 45 fork 45 watcher
Born at : June 21, 2020, 6:27 p.m. This repo has been linked 68 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-31612 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-31612 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Sep. 15, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://www.zh-jieli.com/product/68-cn.html No Types Assigned http://www.zh-jieli.com/product/68-cn.html Product, Vendor Advisory
    Changed Reference Type https://dl.packetstormsecurity.net/papers/general/braktooth.pdf No Types Assigned https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Broken Link
    Changed Reference Type https://launchstudio.bluetooth.com/ListingDetails/19746 No Types Assigned https://launchstudio.bluetooth.com/ListingDetails/19746 Third Party Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6901_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6901:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac690n_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac690n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac692n_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac692n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6902_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6902:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6903_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6903:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6905_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6905:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6904_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6904:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6907_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6907:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6908_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6908:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6997_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6997:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6998_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6998:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6999_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6999:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-31612 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-31612 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.09 }} 0.03%

score

0.38301

percentile

CVSS31 - Vulnerability Scoring System
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