8.8
HIGH
CVE-2020-15531
Silicon Labs Bluetooth Low Energy SDK Buffer Overflow Oralce Execution
Description

Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air remote code execution vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles.

INFO

Published Date :

Aug. 20, 2020, 1:17 a.m.

Last Modified :

Aug. 24, 2020, 9:02 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2020-15531 has a 1 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-2020-15531 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 Silabs bluetooth_low_energy_software_development_kit
: Total Affected Vendor : 1 | Products : 1
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-2020-15531.

URL Resource
https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_rce.py Exploit Third Party Advisory
https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs Third Party Advisory
https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655 Third Party Advisory
https://www.youtube.com/watch?v=saoTr1NwdzM Exploit 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).

Profile Photo
sgxgsx/BlueToolkit

BlueToolkit is an extensible Bluetooth Classic vulnerability testing framework that helps uncover new and old vulnerabilities in Bluetooth-enabled devices. Could be used in the vulnerability research, penetration testing and bluetooth hacking. We also collected and classified Bluetooth vulnerabilities in an "Awesome Bluetooth Security" way

bluetooth bluetooth-classic bluetooth-security exploit security security-tools bluetooth-toolkit awesome awesome-list bluetooth-hacking information-security penetration-testing pentesting wireless-security

Shell Ruby

Updated: 2 months, 2 weeks ago
300 stars 26 fork 26 watcher
Born at : May 13, 2024, 4:19 p.m. This repo has been linked 42 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-2020-15531 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-15531 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]

    Aug. 24, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_rce.py No Types Assigned https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_rce.py Exploit, Third Party Advisory
    Changed Reference Type https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs No Types Assigned https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs Third Party Advisory
    Changed Reference Type https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655 No Types Assigned https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655 Third Party Advisory
    Changed Reference Type https://www.youtube.com/watch?v=saoTr1NwdzM No Types Assigned https://www.youtube.com/watch?v=saoTr1NwdzM Exploit, Third Party Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration OR *cpe:2.3:a:silabs:bluetooth_low_energy_software_development_kit:*:*:*:*:*:*:*:* versions up to (excluding) 2.13.3.0
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-2020-15531 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-2020-15531 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers
Exploit Prediction

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

1.87 }} 0.10%

score

0.86855

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: