9.9
CRITICAL
CVE-2020-27484
Garmin Forerunner 235 ConnectIQ TVM Integer Overflow RCE
Description

Garmin Forerunner 235 before 8.20 is affected by: Integer Overflow. The component is: ConnectIQ TVM. The attack vector is: To exploit the vulnerability, the attacker must upload a malicious ConnectIQ application to the ConnectIQ store. The ConnectIQ program interpreter fails to check for overflow when allocating the array for the NEWA instruction. This a constrained read/write primitive across the entire MAX32630 address space. A successful exploit would allow a ConnectIQ app store application to escape and perform activities outside the restricted application execution environment.

INFO

Published Date :

Nov. 16, 2020, 9:15 p.m.

Last Modified :

Dec. 2, 2020, 3:02 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

3.1
Affected Products

The following products are affected by CVE-2020-27484 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 Garmin forerunner_235_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-2020-27484.

URL Resource
https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0004.md 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).

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

The following list is the news that have been mention CVE-2020-27484 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-27484 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]

    Dec. 02, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0004.md No Types Assigned https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0004.md Exploit, Third Party Advisory
    Added CWE NIST CWE-190
    Added CPE Configuration AND OR *cpe:2.3:o:garmin:forerunner_235_firmware:*:*:*:*:*:*:*:* versions from (including) 7.90 up to (excluding) 8.20 OR cpe:2.3:h:garmin:forerunner_235:-:*:*:*:*:*:*:*
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-2020-27484 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-2020-27484 weaknesses.

Exploit Prediction

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

0.15 }} -0.00%

score

0.51222

percentile

CVSS31 - Vulnerability Scoring System
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